Advanced & Beautiful HTML5 / Javascript Color Picker – iro.js
iro.js is a sleek, HSV color based JavaScript color picker for generating a pretty, HTML5 canvas based color wheel UI with touch support.
Color
Vanilla JS Color Picker With Alpha Channel – vanilla-picker
A vanilla JavaScript color picker with alpha channel support that can be attached to any element.
Powerful Color Picker Component With Pure JavaScript – color-picker.js
color-picker.js is a pure JavaScript library for creating a color picker component with support for touch events and RGB/HEX/HSV color formats.
Minimalist Color Manipulation Library – color2k
color2k is a tiny (1.4kb), modular, feature-rich JavaScript color library to parse and manipulate colors in your web app.
Mobile-friendly HSV/HSL Color Picker – Reinvented Color Wheel
A mobile-friendly color picker that helps you to pick a color from a color wheel and then applies the HSV/HSL color code to an element you specify.
Chrome DevTools Like Color Picker Component – Colr Pickr
An easy-to-use, Chrome DevTools like color picker component built using vanilla JavaScript and SVG.
Elegant Mobile-compatible Color Picker Component – pickr
The pickr JavaScript library helps you create an elegant, customizable, touch-enabled color picker for your app.
Dynamically Change Font Color Based On Background – Contrast.js
A JavaScript library that dynamically changes the font color based on the page or element background – including responsive background image.
Canvas Based HTML5 HSV Color Picker Component
A simple and standalone JavaScript library used to render canvas based, mobile-friendly HSV color pickers in the document.
Extract Prominent Colors From Images And Generate Android Palettes – palette-js
palette-js is a canvas based JavaScript library that extracts prominent colors from a BMP image and generates a palette just like the Android Palette API.