Created
March 29, 2016 12:27
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Javascript : nearest material design color
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| <!doctype html> | |
| <html> | |
| <head> | |
| <title></title> | |
| </head> | |
| <body> | |
| <input type="color" id="color"> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.2/jquery.min.js"></script> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/tinycolor/1.3.0/tinycolor.js"></script> | |
| <script> | |
| var colors = ['#000000','#E51C23','#E91E63','#9C07B0','#673AB7','#3F51B5','#5677FC','#03A9F4','#00BCD4','#009688', | |
| '#259B24','#8BC34A','#CDDC39','#FFDB3B','#FFC107','#FF9800','#FFFFFF','#FF5722','#795548','#9E9E9E','#607D8B']; | |
| var nearestInPalette = function (color, palette) { | |
| var rgb = tinycolor(color).toRgb(); | |
| var minDist = 255*255*3; | |
| var match = palette[0]; | |
| for (var i = 0; i < palette.length; i++) { | |
| var palRgb = tinycolor(palette[i]).toRgb(); | |
| var dR = palRgb.r - rgb.r; | |
| var dG = palRgb.g - rgb.g; | |
| var dB = palRgb.b - rgb.b; | |
| var dist = dR * dR + dG * dG + dB * dB; | |
| if (dist < minDist) { | |
| minDist = dist; | |
| match = palette[i]; | |
| } | |
| } | |
| $("body").css('background-color', '#' + tinycolor(match).toHex()) | |
| }; | |
| $("#color").change(function () { | |
| nearestInPalette($(this).val(), colors); | |
| }); | |
| $("#color").on('input',function () { | |
| nearestInPalette($(this).val(), colors); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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