CSS Terminology

Color Function Notation

The modern CSS syntax for color functions using space-separated values and slash-separated alpha, replacing the legacy comma-separated format.

Understanding Color Function Notation

Code Examples

Using Color Function Notation in TWColors

Our tools help you work with color function notation effectively. Try our color tools to see how color function notation affects your designs.

Explore our tools →

Related Terms

Legacy Color Syntax

Space-Separated Colors

CSS Color Level 4

Learn More

Understanding Tailwind CSS v4 Color System

Tailwind v4 rebuilds the color system on oklch() for perceptually uniform shades.

Wide Gamut Colors for the Web with Tailwind CSS

Use Display P3 and wide-gamut color spaces to deliver vivid, vibrant colors on modern screens.

Try Our Color Tools

Apply your knowledge of color function notation with our free tools.