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A visual representation of different types of colorblindness & their affects on color gradients (filters adapted from this awesome repo at https://github.com/oftheheadland/Colorblindly).
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| <!Doctype html> | |
| <style> | |
| div | |
| { | |
| background:linear-gradient(to right, | |
| #f00 0%, | |
| #ff0 16.66%, | |
| #0f0 33.33%, | |
| #0ff 50%, | |
| #00f 66.66%, | |
| #f0f 83.33%, | |
| #f00 100% | |
| ); | |
| font-size:2rem; | |
| margin-bottom:1rem; | |
| } | |
| .achromatomaly{-webkit-filter:url(#achromatomaly);-moz-filter:(#achromatomaly);-ms-filter:(#achromatomaly);-o-filter:(#achromatomaly);filter:(#achromatomaly);} | |
| .achromatopsia{-webkit-filter:url(#achromatopsia);-moz-filter:(#achromatopsia);-ms-filter:(#achromatopsia);-o-filter:(#achromatopsia);filter:(#achromatopsia);} | |
| .deuteranomaly{-webkit-filter:url(#deuteranomaly);-moz-filter:(#deuteranomaly);-ms-filter:(#deuteranomaly);-o-filter:(#deuteranomaly);filter:(#deuteranomaly);} | |
| .deuteranopia{-webkit-filter:url(#deuteranopia);-moz-filter:(#deuteranopia);-ms-filter:(#deuteranopia);-o-filter:(#deuteranopia);filter:(#deuteranopia);} | |
| .protanomaly{-webkit-filter:url(#protanomaly);-moz-filter:(#protanomaly);-ms-filter:(#protanomaly);-o-filter:(#protanomaly);filter:(#protanomaly);} | |
| .protanopia{-webkit-filter:url(#protanopia);-moz-filter:(#protanopia);-ms-filter:(#protanopia);-o-filter:(#protanopia);filter:(#protanopia);} | |
| .tritanomaly{-webkit-filter:url(#tritanomaly);-moz-filter:(#tritanomaly);-ms-filter:(#tritanomaly);-o-filter:(#tritanomaly);filter:(#tritanomaly);} | |
| .tritanopia{-webkit-filter:url(#tritanopia);-moz-filter:(#tritanopia);-ms-filter:(#tritanopia);-o-filter:(#tritanopia);filter:(#tritanopia);} | |
| </style> | |
| <!--filters--> | |
| <svg id="colorblind-filters" style="display: none"> | |
| <defs> | |
| <filter id="achromatomaly"><feColorMatrix type="matrix" values="0.618,0.320,0.062,0,0 0.163,0.775,0.062,0,0 0.163,0.320,0.516,0,0 0,0,0,1,0" in="SourceGraphic" /></filter> | |
| <filter id="achromatopsia"> <feColorMatrix type="matrix" values="0.299,0.587,0.114,0,0 0.299,0.587,0.114,0,0 0.299,0.587,0.114,0,0 0,0,0,1,0" in="SourceGraphic" /> </filter> | |
| <filter id="deuteranomaly"> <feColorMatrix type="matrix" values="0.8,0.2,0,0,0 0.258,0.742,0,0,0 0,0.142,0.858,0,0 0,0,0,1,0" in="SourceGraphic" /> </filter> | |
| <filter id="deuteranopia"> <feColorMatrix type="matrix" values="0.625,0.375,0,0,0 0.7,0.3,0,0,0 0,0.3,0.7,0,0 0,0,0,1,0" in="SourceGraphic" /> </filter> | |
| <filter id="protanomaly"> <feColorMatrix type="matrix" values="0.817,0.183,0,0,0 0.333,0.667,0,0,0 0,0.125,0.875,0,0 0,0,0,1,0" in="SourceGraphic" /> </filter> | |
| <filter id="protanopia"> <feColorMatrix type="matrix" values="0.567,0.433,0,0,0 0.558,0.442,0,0,0 0 0.242,0.758,0,0 0,0,0,1,0" in="SourceGraphic" /> </filter> | |
| <filter id="tritanomaly"> <feColorMatrix type="matrix" values="0.967,0.033,0,0,0 0,0.733,0.267,0,0 0,0.183,0.817,0,0 0,0,0,1,0" in="SourceGraphic" /> </filter> | |
| <filter id="tritanopia"> <feColorMatrix type="matrix" values="0.95,0.05,0,0,0 0,0.433,0.567,0,0 0,0.475,0.525,0,0 0,0,0,1,0" in="SourceGraphic" /> </filter> | |
| </defs> | |
| </svg> | |
| <!-- gradients --> | |
| <div>Trichromacy / Normal</div> | |
| <div class="achromatomaly">Blue Cone Monochromacy / Achromatomaly</div> | |
| <div class="achromatopsia">Monochromacy / Achromatopsia</div> | |
| <div class="deuteranomaly">Green-Weak / Deuteranomaly</div> | |
| <div class="deuteranopia">Green-Blind / Deuteranopia</div> | |
| <div class="protanomaly">Red-Weak / Protanomaly</div> | |
| <div class="protanopia">Red-Blind / Protanopia</div> | |
| <div class="tritanomaly">Blue-Weak / Tritanomaly</div> | |
| <div class="tritanopia">Blue-Blind / Tritanopia</div> |
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View the code in action at: https://gistpreview.github.io/?80fdafe6abc746809141417d12b56fee.