# Color Universal Design (CUD)

Canonical URL: https://colorcurio.us/library/okabe-ito-cud
Source type: Library entry
Resource URL: https://jfly.uni-koeln.de/color/
Added: 2026-09-27

## Summary

A guide to figures that survive color-vision deficiency, and the source of the eight-color Okabe–Ito palette.

Still the set journals and ggplot users reach for when categorical colors have to work for every reader.

- Resource: [Color Universal Design (CUD)](https://jfly.uni-koeln.de/color/)
- By: Masataka Okabe & Kei Ito
- Published: 2002
- Kind: accessibility (article)
- Level: beginner
- Tags: accessibility, color-scales, data-viz, designer, scientist, tutorial

## In collections

- [Colorblind-Safe Workflows](https://colorcurio.us/library/collections/colorblind-safe-workflows)

[Back to the library](https://colorcurio.us/library)