color‑manipulate is a small Node.js utility library that provides a set of pure functions for common color transformations—lightening, darkening, saturation adjustments, tint/shade, opacity changes, hue rotation, inversion, and mixing—compatible with several popular color objects (e.g., color, color2, jquery‑color, sumi‑color, onecolor). It’s aimed at JavaScript developers who need simple, library‑agnostic color manipulation in web or Node projects.