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色譜宝典 — Shikifu Codex

A Dictionary of Color Combinations

Sanzo Wada, 1933–38 · 171 colors · 581 combinations

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YellowVol.

淡青朽葉うすあおくちば

Pyrite Yellow

usu-ao-kuchiba — “pale blue-green decayed leaves

Text contrast

White text2.08 : 1fails WCAG
Black text10.09 : 1AAA

WCAG 2 ratios — AA needs 4.5 : 1, AAA needs 7 : 1.

Similar colorsnearest in the dictionary, by Lab ΔE

Citrine · ΔE 9.7
Olive Ocher · ΔE 12.5
Sulphine Yellow · ΔE 13.1
Yellow Ocher · ΔE 15.5
Olive Yellow · ΔE 15.8
Citron Yellow · ΔE 15.9

Harmoniescomputed from hue — not from the book

Appears in4 plates · 5 Vol. Ⅱ patterns