Okabe-Ito
The color-blind safe default
Eight discrete colors designed by Okabe and Ito (2002) so every category stays distinguishable for readers with protanopia, deuteranopia, and tritanopia. The most widely recommended categorical palette in scientific publishing.
→ Up to seven groups in bar charts, scatterplots, and multi-line figures.
Source: Okabe & Ito, 2002




















