maxmin
Get a pretty output of the original, minified, gzipped size of a string or buffer: 130 B → 91 B → 53 B (gzip)
culori
A general-purpose color library for JavaScript
colorsea
A color tool library written in Typescript, you can use it to convert color spaces, and operate on colors like LESS/SASS ( darken/lighten, saturate/desaturate, spin, mix), and color difference query. 颜色工具库,支持颜色空间的转换、各种颜色操作、多种色差查询, 支持中国色、日本色的查询
color-diff
Implemets the CIEDE2000 color difference algorithm, conversion between RGB and LAB color and mapping all colors in palette X to the closest or most different color in palette Y based on the CIEDE2000 difference.
zimablue
a CLI utility for matching colors to a palette