Chroma is a small JavaScript library for manipulating colors. It changes and defines color scales and makes them delightful, just define two colors, and Chroma will find the most pleasant path between them. Basically, Chroma read colors, analyze and convert them from a wide range of formats by making use of linear and bezier interpolation in different color spaces. Written and shared via GitHub by Gregor Aisch, released under BSD license. Versions prior to 0.4 were released under GPL.