# Chroma.js
> Chroma.js is a small, zero-dependency JavaScript library for all kinds of color manipulations. It is particularly known for its ability to create continuous color scales and its support for perceptual color spaces like Lab and Lch, making it a favorite among data visualization professionals.
- URL: https://optimly.ai/brand/chromajs
- Slug: chromajs
- BAI Score: 62/100
- Archetype: Challenger
- Category: Software Development Tools
- Last Analyzed: April 11, 2026
## Also Referenced By
- Colour Scienceorg (https://optimly.ai/brand/colour-scienceorg)
## Buyer Intent Signals
Problems: Native CSS Colors: Using standard HEX or RGB values without manipulation libraries. | Manual Math Functions: Manually calculating HSL or Lab color shifts using custom JavaScript functions.
Solutions: javascript library for color scales | convert hex to lab javascript | best way to make accessible maps | color manipulation libraries for data viz | commercial color management software | CSS Preprocessors: Using Sass or Less color functions (darken, lighten, mix) during the build process.