Color Manipulation in JavaScript: No Libraries
Manipulate colors in JavaScript without a library. Convert HEX to RGB, adjust HSL, calculate contrast ratios using native browser APIs.
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Tags: javascript, color, developer-tools
Color Manipulation in JavaScript: Techniques Without Libraries You don't always need a library to work with color in JavaScript. The core operations — hex to RGB, RGB to HSL, lighten, darken, mix, complement — are a few dozen lines of math. Understanding them makes you a better consumer of color tools even when you do use a library. This post builds a set of pure functions you can copy into any project. No dependencies. Before diving in, if you need to inspect or convert a specific color value, the color picker tool has you covered. --- Hex to RGB The foundation. CSS hex colors are just three concatenated 8-bit integers. The reverse: --- RGB to HSL HSL is the format you'll use most for programmatic color adjustments because it separates hue (color), saturation (intensity), and lightness…
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