Open-source alternatives to Polychrome

Advanced color manipulation for iOS.

A Lightweight But Powerful Color Kit (Swift)

Flat UI color palette helpers written in Swift.

An action sheet styled color picker for iOS.

randomColor is a programmatic utility for generating harmonious, aesthetically pleasing color strings for use in web stylesheets and digital user interfaces. It functions as a random color generator that produces values in hexadecimal, RGB, and HSL formats. The library uses a logic-based system that calculates hues and luminosity in HSL space to ensure visual harmony. It allows for the application of specific constraints to brightness, transparency, and hue offsets to limit the generated color spectrum. The tool provides capabilities for programmatic color generation across multiple output f

A simple and powerful library for using gradient layer, image, color

🌔 A curated collection of splendid 180+ gradients made in swift

CSS doesn't natively support color blending the way that Photoshop does. This library attempts to fake that by allowing you to blend a foreground color with a background color in order to approximate color blending. This is not a dynamic blend; you can't use this to blend a color with an image.…

This is a complete rewrite of (but is heavily inspired by) Mathieu Jacomy's Palette Generator

vibrant.js is a JavaScript color extraction library used to identify dominant color palettes from images based on the Android Palette algorithm. It functions as an image palette generator and a color processing tool that converts extracted data between RGB, HSL, and Hexadecimal formats. The library analyzes image pixels to categorize colors into specific profiles, including vibrant, muted, dark, and light. It also includes an accessible text color calculator that determines high-contrast hex colors for text overlays based on a selected background color. The toolset covers automated palette g

Styles and colors text in the Terminal with ANSI escape codes. Conforms to ECMA Standard 48.

:art: An intuitive iOS color picker built in Swift.

(Inspired by Dominant Colors for Lazy-Loading Images from Manuel Wieser)

Color-thief is a color quantization library and image color palette extractor designed to identify the most prominent colors in visual media. It functions as a semantic color classifier and color space converter, providing tools to extract dominant colors and generate representative palettes from images, videos, and canvas elements. The project utilizes a WebAssembly color processor and background workers to perform high-performance pixel analysis. It implements a WCAG contrast analyzer to calculate color contrast ratios and determine accessible foreground text colors based on accessibility s

Colofilter.css - Duotone filters made with CSS !

The simple, customizable, tiny javascript color extractor.

Easily generate color gradients with an unlimited number of color stops and steps.

👑 A tiny yet powerful tool for high-performance color manipulations and conversions

An attractive color generator for Swift. Ported from randomColor.js.

An unintrusive & light-weight iOS app-theming library with support for animated theme switching.

color2k is a color parsing and manipulation library with the objective of keeping the bundle size as small as possible while still satisfying all of your color manipulation needs in an sRGB space.

Create fluid and interactive gradients animations with this small (< 17 kB) js library.