Full list of the official named colors from the CSS specification.

Reasonable Colors is an open-source color system that makes it easy to build accessible, nice-looking color palettes.

Complete guide to build scalable, harmonious color system

… an easy to use, open-source, native colour picker for macOS. Pika makes it simple to quickly find colours onscreen, in the format you need, so you can get on with being a speedy, successful designer.

Open source browser tools for everyday use - Triangle generator - Color shades generator - Curved page dividers - SVG compressor - SVG → JSX - Base64 encoding - Fake data generator - Symbols collection - Lorem ipsum

Generate your own Material Design Color Palette with full control over the colors! Export to AngularJS, Materialize, CSS, Polymer, and more!

Colors that look and work great for everyone

Coolest Gradient Hues and Swatches by UVdesk

A handy little Mac app that gives you quick access to the standard material design color palette.

Empowering designers with beautiful and accessible color palettes based on WCAG Guidelines of text and background contrast ratios.

How do you choose the right colors for your designs?

Snazzy Maps is a repository of different color schemes for Google Maps aimed towards web designers and developers. As of version 3 of the Google Maps API custom styles can now be applied to maps. This allows developers and designers to pick a style that matches the theme of their website.

Simple color picker everyone

For people with impaired vision, we are required to ensure that there is a minimum amount of contrast between our foreground and background colors. formulas for determining optimum color contrast. W3C's specification on color contrast... hp color palette. style sheet text colors. style sheet text colors.

A color matching game

“The effective use of color and graphics in children’s media is one of the most important aspects of design to ensure that you deliver optimal content and a memorable user experience to young users.”

The Missing Link between Web Designers and Colors

Get our free Color Theory Poster here! It's a wallpaper or print-ready file - your choice.

Drew McLellan kicks off our 2009 season with a look at some of the tools CSS3 provides for applying levels of transparency to colour values, enabling you to avoid weighing down a site design with heavy PNG images.

Enter the URL of any CSS file to view and modify its color spectrum

create and share color themes