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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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GreenVol.

白緑びゃくろく

Turquoise Green

byakuroku — “whitish mineral green

Text contrast

White text1.47 : 1fails WCAG
Black text14.29 : 1AAA

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

Similar colorsnearest in the dictionary, by Lab ΔE

Glaucous Green · ΔE 8.6
Nile Blue · ΔE 10.6
Cobalt Green · ΔE 13.6
Dark Greenish Glaucous · ΔE 14.1
Light Glaucous Blue · ΔE 16.3
Pale King's Blue · ΔE 17.4

Harmoniescomputed from hue — not from the book

Appears in16 plates · 6 Vol. Ⅱ patterns