Educational Resources & Documentation

Color Theory, CSS & Accessibility Guides

In-depth guides, practical code snippets, and mathematical foundations to help you build accessible, visually stunning digital interfaces.

CSS & Code 8 min read

How to Create CSS Gradients

Master CSS gradients from syntax to production. Learn linear, radial, and conic gradient mechanics, color stops, angles, performance best practices, and WCAG contrast.

UI Color Theory 10 min read

How to Choose Colors for a Website

Learn how to build professional website color schemes using the 60-30-10 rule, visual hierarchy, color psychology, dark mode pairing, and developer token exports.

Web Accessibility 9 min read

Understanding Color Contrast & WCAG

Learn how WCAG 2.1 contrast ratios are calculated using linearized sRGB luminance, contrast thresholds (AA, AAA), testing UI components, and accessible color pairing.

Explore Interactive PS Color Tools

Put theory into practice with our free browser-based creator workstations.