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Colors in UIs\n\nColor manipulation for use in consistent design systems. Uses HCL color space for computation, but allows simple format input and output.\n\nSee also Lea Verou’s [Color.js](https://colorjs.io/) and the awesome [blog post about HCL colors](https://lea.verou.me/2020/04/lch-colors-in-css-what-why-and-how/).\n\n```ts\nimport { colorFromString } from \"ui-colors\";\n\nconst themeColorCode = \"#9973ba\";\nconst themeColor = colorFromString(themeColorCode);\n\nconst text = themeColor.lightness \u003e 50 ? \"black\" : \"white\";\n\nconst dark = themeColor.withLightness(30).asCss();\nconst light = themeColor.withLightness(80).asCss();\n```\n\nBeware of various number scales:\n\n- Hue is 0-359;\n- Red, green, blue components are 0-255;\n- Opacity, HSL saturation and lightness are 0-1;\n- Main lightness is 0 to 100 in practice, but is [unbounded in theory](https://www.w3.org/TR/css-color-4/#specifying-lab-lch)\n- Chroma is 0 to about 130 in practice, but is unbounded;\n\n## Constructors\n\nSimple: colorFromHex(\"#aabbcc\"), colorFromLch(70, 12, 350), colorFromHsl(350, 0.2, 0.8), colorFromRgb(120, 120, 120). Opacity is an optional last argument.\n\nSmart constructor tries to parse the string as any format it can think of: colorFromString(\"...\").\n\n## Fields\n\ncolor.chroma, color.hue, color.lightness, color.opacity, color.rgb.approximation\n\n## Manipulation\n\ncolor.withChroma(12), color.withHue(350), color.withLightness(70)\n\n## Display\n\ncolor.asPrettyLch()\n\ncolor.asCss().approximation, color.asPrettyHex().approximation, color.asPrettyHsl().approximation, color.asPrettyRgb().approximation\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdenis-sokolov%2Fcolor","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdenis-sokolov%2Fcolor","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdenis-sokolov%2Fcolor/lists"}