Combination 91 is a warm color combination of 2 colors, combination 91 in Sanzo Wada's A Dictionary of Colour Combinations (1933–34): Vistoris Lake #6D4145, Orange Rufous #C16B27. No two of its colors make readable body text (best pair 2.17:1). The colors stay apart for the three common kinds of color blindness. All of them print on coated paper (FOGRA39).
Colors converted from the book's printed CMYK by Matt DesLauriers, after Dain M. Blodorn Kim (MIT).
The colors
Best text pair
The quick brown fox#6D4145 on #C16B27 · WCAG 2.17:1 · APCA Lc 21
Color blindness
Normal
Protanopia
Deuteranopia
Tritanopia