Created
February 21, 2019 20:45
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Small demo to create a color gradient using javascript
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| <!DOCTYPE html> | |
| <html> | |
| <meta charset="utf-8"> | |
| <script> | |
| // convert decimal values to rgb hex color toRGBstring(255, 0, 0) => '#ff0000') | |
| function toRGBstring(r, g, b) { | |
| return '#' + (r<16?'0':'') + r.toString(16) + (g<16?'0':'') + g.toString(16) + (b<16?'0':'') + b.toString(16); | |
| } | |
| // convert rgb hex color to decimal values (e.g. parseRBGstring('#ff0000') => [255, 0, 0]) | |
| function parseRBGstring(color) { | |
| return [parseInt(color.substr(1,2), 16), parseInt(color.substr(3,2), 16), parseInt(color.substr(5,2), 16)]; | |
| } | |
| // create a color gradient between color1 and color2 | |
| // usage: createColorGradient('#ff0000', '#00ff00', 7) | |
| function createColorGradient(color1, color2, steps) { | |
| color1 = parseRBGstring(color1); | |
| color2 = parseRBGstring(color2); | |
| var colors = []; | |
| for (var i = 0; i < steps; i++) { | |
| var clampedR = Math.round(color1[0] + (color2[0] - color1[0]) * i / (steps - 1)); | |
| var clampedG = Math.round(color1[1] + (color2[1] - color1[1]) * i / (steps - 1)); | |
| var clampedB = Math.round(color1[2] + (color2[2] - color1[2]) * i / (steps - 1)); | |
| colors.push(toRGBstring(clampedR, clampedG, clampedB)); | |
| } | |
| return colors; | |
| } | |
| console.log('http://colorpeek.com/' + createColorGradient('#BEF954', '#FF5553', 7).join(',')); | |
| </script> | |
| see console (F12) | |
| </html> |
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