{"id":19170,"date":"2026-02-06T14:13:07","date_gmt":"2026-02-06T14:13:07","guid":{"rendered":"https:\/\/iprovpn.com\/resources\/?p=19170"},"modified":"2026-02-06T14:13:07","modified_gmt":"2026-02-06T14:13:07","slug":"how-to-take-a-color-blind-test","status":"publish","type":"post","link":"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/","title":{"rendered":"How to Take a Color Blind Test"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">The color blind test is a simple way to check if someone has trouble seeing colors the way most people do. Many people call this condition color blindness, but doctors often say color vision deficiency because most people can still see some colors, just not all of them clearly. A color blind test helps find out if you or someone else has this issue. It is quick, easy, and can even be done at home.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">        <div class=\"iprovpn_btn_cta_row\">\n    \t<a class=\"btn_cta\" href=\"https:\/\/iprovpn.com\/buy-vpn\" title=\"Get iProVPN Now\">Get iProVPN NOW <i class=\"fas fa-long-arrow-alt-right\"><\/i><\/a>\n    \t<\/div>\n    <\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 ez-toc-wrap-center counter-flat ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<div class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/div>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #000000;color:#000000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #000000;color:#000000\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#What_Is_Color_Blindness\" >What Is Color Blindness?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#Common_Symptoms_of_Color_Blindness\" >Common Symptoms of Color Blindness<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#Types_of_Color_Blindness\" >Types of Color Blindness<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#The_Most_Popular_Color_Blind_Test_Ishihara_Test\" >The Most Popular Color Blind Test: Ishihara Test<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#How_to_Take_a_Color_Blind_Test_at_Home\" >How to Take a Color Blind Test at Home<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#Why_Take_a_Color_Blind_Test\" >Why Take a Color Blind Test?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#Living_with_Color_Blindness\" >Living with Color Blindness<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#Limitations_of_Online_Color_Blind_Tests\" >Limitations of Online Color Blind Tests<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#FAQs\" >FAQs<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#Can_color_blindness_be_cured\" >Can color blindness be cured?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#Is_color_blindness_only_in_men\" >Is color blindness only in men?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#Can_kids_grow_out_of_color_blindness\" >Can kids grow out of color blindness?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#How_accurate_are_online_color_blind_tests\" >How accurate are online color blind tests?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#Does_color_blindness_affect_driving\" >Does color blindness affect driving?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#Final_Words\" >Final Words!<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/#Start_Browsing_Privately\" >Start Browsing Privately!<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_Color_Blindness\"><\/span>What Is Color Blindness?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Color blindness means a person has a hard time telling some colors apart. It is not true blindness. No one sees only black and white, except in very rare cases. Most people with color blindness see the world in colors, but reds and greens look similar, or blues and yellows get mixed up.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This happens because of the eyes. In the back of the eye, there are special cells called cones. These cones help us see colors. There are three types: one for red, one for green, and one for blue. If one or more cones do not work right or are missing, colors look different.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Most color blindness is something people are born with. It comes from genes, and it is more common in boys and men. About 8% of men and 0.5% of women have some form of it. It can also happen later in life from eye problems, medicines, or injuries, but that is less common.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Common_Symptoms_of_Color_Blindness\"><\/span>Common Symptoms of Color Blindness<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Many people do not know they have color blindness until they take a color blind test. The signs are often mild. You might:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Mix up red and green, like thinking a red apple looks brown or green.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Have trouble with traffic lights or colored maps.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">See colors as dull or less bright.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Find it hard to tell shades of the same color apart.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Struggle with clothes that match, like picking socks that do not go together.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Kids might notice it in school when coloring or reading color-coded books. Adults might see it when driving or working with colors.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you think you have these issues, a color blind test is a good first step.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Types_of_Color_Blindness\"><\/span>Types of Color Blindness<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">There are a few main types of color blindness. The most common ones affect red and green.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Red-green color blindness is the top type. It includes:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><b>Deuteranomaly (green-weak<\/b><span style=\"font-weight: 400;\">): The most common one. Green looks more red, and colors seem less bright.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Protanomaly (red-weak<\/b><span style=\"font-weight: 400;\">): Red looks greener and darker.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Deuteranopia<\/b><span style=\"font-weight: 400;\">: No green cones at all, so red and green look the same.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Protanopia<\/b><span style=\"font-weight: 400;\">: No red cones, so reds look dark.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Blue-yellow color blindness is rarer. It makes blue and green or yellow and red hard to tell apart.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><b>Tritanomaly<\/b><span style=\"font-weight: 400;\">: Mild version.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Tritanopia<\/b><span style=\"font-weight: 400;\">: Full version, very rare.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Complete color blindness (achromatopsia) is extremely rare. The person sees only in black, white, and gray. They also have other eye issues, like light sensitivity.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Red-green types are passed down in families, mostly to boys from their mothers.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"The_Most_Popular_Color_Blind_Test_Ishihara_Test\"><\/span>The Most Popular Color Blind Test: Ishihara Test<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The Ishihara test is the best-known color blind test. A Japanese eye doctor named Shinobu Ishihara created it over 100 years ago. It is still used by eye doctors today.<\/span><\/p>\n<p><b><i>How it works<\/i><\/b><span style=\"font-weight: 400;\">: The test shows circles made of many colored dots. Inside each circle, there is a number or shape made of dots in a different color. If you have normal color vision, you see the number clearly. If you have color blindness, the number might be hard to see or look different.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For example:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Normal vision might see &#8220;12&#8221; on the first plate.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Someone with red-green color blindness might see &#8220;3&#8221; or nothing.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The test has about 14 to 38 plates. Some plates are made so that only people with color blindness see a number, to confirm the issue.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Doctors use this test in clinics, but many online versions exist for quick checks.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_to_Take_a_Color_Blind_Test_at_Home\"><\/span>How to Take a Color Blind Test at Home<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">You can try a color blind test online right now. Many websites offer free ones based on the Ishihara plates or other methods.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Steps to do it at home:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Sit in a bright room with good light (daylight is best, not too yellow from lamps).<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Set your screen brightness high and turn off any blue light filter.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Look at the screen from about 30 inches away.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">The test shows plates one by one. Say or type the number you see quickly (some give only a few seconds).<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">If you see nothing or the wrong number on many plates, you might have color blindness.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">Popular sites include EnChroma, ColorBlindnessTest.org, or Pilestone. These give results on the type and how strong it is. Remember, online tests are good for a first check, but see an eye doctor for a full test.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Some tests now use new ways to check each cone separately for better accuracy.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_Take_a_Color_Blind_Test\"><\/span>Why Take a Color Blind Test?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">A color blind test is useful for many reasons:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><b>For kids<\/b><span style=\"font-weight: 400;\">: Schools sometimes check so teachers can help with learning.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>For jobs<\/b><span style=\"font-weight: 400;\">: Some jobs, like pilot, electrician, or police, need good color vision. A test shows if you can do them.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>For daily life<\/b><span style=\"font-weight: 400;\">: Knowing helps you use apps, labels, or tools that work around color issues.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Peace of mind<\/b><span style=\"font-weight: 400;\">: If you always mix up colors, finding out removes doubt.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">It is also fun to try with friends and family!<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Living_with_Color_Blindness\"><\/span>Living with Color Blindness<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Most people with color blindness live full lives. It does not stop you from most things. There are ways to manage it:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Use apps that name colors from photos.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Label things with words instead of colors.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Choose clothes carefully or ask for help.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Some glasses, like EnChroma, help some people see more colors (they do not cure it but make things brighter).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Famous people have color blindness, too. Actors like Keanu Reeves, directors like Christopher Nolan, and even Prince William deal with it. They show it does not hold you back.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Limitations_of_Online_Color_Blind_Tests\"><\/span>Limitations of Online Color Blind Tests<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Online color blind tests are helpful but not perfect. Screen colors vary by device, light, and settings. They might not catch mild cases or rare types. For official results, like for work or driving, you need a doctor with real Ishihara plates or other tools.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Always follow up with an eye exam if the online test shows an issue.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\n<div class=\"blog_faq\">\n                <div class=\"faq\">\n            <h3 class=\"faq_title\"><span class=\"ez-toc-section\" id=\"Can_color_blindness_be_cured\"><\/span>Can color blindness be cured?  <i class=\"fa fa-plus\"><\/i><span class=\"ez-toc-section-end\"><\/span><\/h3> \n                        <div class=\"faq_description\">\n                <p>No, most color blindness from birth cannot be cured. It is part of how the eyes work. Some glasses or contacts help see better colors, but they do not fix the cones.\r\n<\/p>\n            <\/div>\n            <\/div>\n                \n                <div class=\"faq\">\n            <h3 class=\"faq_title\"><span class=\"ez-toc-section\" id=\"Is_color_blindness_only_in_men\"><\/span>Is color blindness only in men?  <i class=\"fa fa-plus\"><\/i><span class=\"ez-toc-section-end\"><\/span><\/h3> \n                        <div class=\"faq_description\">\n                <p>No, but it is much more common in men. The gene is on the X chromosome. Men have one X, so if it is bad, they get it. Women have two X chromosomes, so they need both bad to have it.\r\n<\/p>\n            <\/div>\n            <\/div>\n                \n                <div class=\"faq\">\n            <h3 class=\"faq_title\"><span class=\"ez-toc-section\" id=\"Can_kids_grow_out_of_color_blindness\"><\/span>Can kids grow out of color blindness?  <i class=\"fa fa-plus\"><\/i><span class=\"ez-toc-section-end\"><\/span><\/h3> \n                        <div class=\"faq_description\">\n                <p>No, if it is from genes, it stays for life. Acquired types of health issues might change if the cause is fixed.\r\n<\/p>\n            <\/div>\n            <\/div>\n                \n                <div class=\"faq\">\n            <h3 class=\"faq_title\"><span class=\"ez-toc-section\" id=\"How_accurate_are_online_color_blind_tests\"><\/span>How accurate are online color blind tests?  <i class=\"fa fa-plus\"><\/i><span class=\"ez-toc-section-end\"><\/span><\/h3> \n                        <div class=\"faq_description\">\n                <p>They are good for a quick idea, but not as good as a doctor's test. Use them as a start, then see an eye doctor.\r\n<\/p>\n            <\/div>\n            <\/div>\n                \n                <div class=\"faq\">\n            <h3 class=\"faq_title\"><span class=\"ez-toc-section\" id=\"Does_color_blindness_affect_driving\"><\/span>Does color blindness affect driving?  <i class=\"fa fa-plus\"><\/i><span class=\"ez-toc-section-end\"><\/span><\/h3> \n                        <div class=\"faq_description\">\n                <p>Most people with mild color blindness can drive safely because traffic lights use position too (red on top). But severe cases might need checks in some places.\r\n<\/p>\n            <\/div>\n            <\/div>\n            \n    \n    \n    \n    \n    \n    \n    <\/div>\n\n<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Final_Words\"><\/span>Final Words!<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">A color blind test is an easy way to learn about your color vision. Whether you use the classic Ishihara plates or a quick online version, it can give you answers fast. Color blindness is common and usually not a big problem. Knowing about it helps you adapt and enjoy life more.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you think you might have it, try a color blind test today. Then talk to an eye doctor if needed. Everyone sees the world a bit differently, and that is okay!<\/span><\/p>\n<p><span style=\"font-weight: 400;\">    \t<hr class=\"mt-5\">\n        <div class=\"custom_CTA mt-5\">\n            <div class=\"row\">\n                <div class=\"col-lg-7 align-self-center text-lg-left text-center\">\n                    <h3><span class=\"ez-toc-section\" id=\"Start_Browsing_Privately\"><\/span>Start Browsing Privately!<span class=\"ez-toc-section-end\"><\/span><\/h3>\n                    <p clas=\"mb-0\">iProVPN encrypts your data for protection against hackers and surveillance. Unblock your favorite streaming platforms instantly with the best VPN for streaming.<\/p>\n                <\/div>\n                <div class=\"col-lg-5 align-self-center text-center\">\n                    <a class=\"custom_btn_cta\" href=\"https:\/\/iprovpn.com\/buy-vpn\" title=\"Get iProVPN Now\">Get iProVPN NOW<\/a>\n                <\/div>\n            <\/div>\n    \t<\/div>\n    <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The color blind test is a simple way to check if someone has trouble seeing colors the way most people do. Many people call this condition color blindness, but doctors often say color vision deficiency because most people can still see some colors, just not all of them clearly. A color blind test helps find [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":19801,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[522],"tags":[],"class_list":["post-19170","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Take a Color Blind Test<\/title>\n<meta name=\"description\" content=\"If you have color blindness, you cannot reliably pass a genuine color blind test; honesty is best for safety and jobs.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/iprovpn.com\/resources\/how-to-take-a-color-blind-test\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Take a Color Blind Test\" \/>\n<meta property=\"og:description\" content=\"If you have color blindness, you cannot reliably pass a genuine color blind test; 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