ColorPicker (v. 1.0) and Colors ColorPicker v1.0 is a small (45.4KB, 19.5KB gZip) but very advanced framework independent javaScript color picker and color conversion / calculation tool that supports the following color spaces: rgb, hsv, hsl, hex, cmyk, cmy, XYZ, Lab but also alpha, WCAG 2.0 readability standards (based on opacity levels of all layers), contrast, color similarity, grayscale, 2-lay