JSPM

Determines the best contrast color to use. Give it a background color and it returns a foreground color (black or white by default but customizable).

Utility functions for working with colors in adherence to WCAG 2.1 guidelines.

Measure color characteristics

A sorter for hexadecimal color arrays - by brightness, saturization, brightest dull color + hex color mixer.

Check for WCAG color contrast compliance

SIMDope 🎨 - Color trafficking library faster than tools not mentioning it, lighting fast and around 1700 lines of code (~34kB and 0 dep.)

A powerful and fully typed color library.

Tailwind CSS `mix-blend-mode` utilities

Luminous intensity units synonyms

Real World Color Modifications

HSL to RGB color converter

Photoshop-style blend modes for HTML Canvas Contexts

Check luminosity/brightness of an image

expand 1-channel bitmaps into rgba pixmaps

test whether a color is dark or light

Quick and easy linear color mappings

A library for parsing colors within the sRGB color space. it includes rgb(a), hsl(a), hsv(a), hex and cmyk. It mainly focuses on web standards, which is why it has build in css support. However, it may be used in any application that follows the css color

Advanced layered acrylic glass effects for web elements. Create iOS/Windows-style acrylic blur overlays with multiple customizable layers: blur, luminosity, tint, and noise.

Color templates based of the color theory of Lyft and ColorBox.io

TSL2561 luminosity device driver for use in the Agilatech Lynxari system

Module that converts HSL(hue, saturation, luminosity) values into a hexbased values

Node-RED for TSL2572 sensor