What colors are in the "Olive Buff & Cossack Green +2" palette?

Olive Buff & Cossack Green +2 contains 4 colors: Olive Buff (#c1c494), Cossack Green (#437742), Deep Slate Olive (#253122), Cotinga Purple (#501345). From Sanzo Wada's "A Dictionary of Color Combinations" (1933).

When was the "Olive Buff & Cossack Green +2" palette created?

This palette is from Sanzo Wada's 1933 reference work "A Dictionary of Color Combinations" (Seigensha Art Publishing 2010 reprint). Wada documented historical Japanese color combinations from the showa era and earlier periods. The source work is in the public domain.

What style or era does the "Olive Buff & Cossack Green +2" palette belong to?

Olive Buff & Cossack Green +2 is associated with the showa era and emphasizes yellow tones. Plate 348 from Sanzo Wada's 1933 Dictionary of Color Combinations — Olive Buff, Cossack Green, Deep Slate Olive, Cotinga Purple.

Can I use the "Olive Buff & Cossack Green +2" palette in my own design?

Yes. The source palette by Sanzo Wada (1933) is in the public domain. This page's curation and metadata are CC BY 4.0 licensed — attribution to colorcombinations.org appreciated but not required for the colors themselves.

Olive Buff & Cossack Green +2 — The Dictionary of Color Combinations

About this combination

Combination 348 of 348 in Wada's six-volume 1933 work. A 4-colour grouping of Olive Buff, Cossack Green, Deep Slate Olive, Cotinga Purple, as documented in the original plates.

Historical context

This palette is inspired by the tradition of Sanzo Wada's 1933 Dictionary of Color Combinations, which cataloged combinations drawn from centuries of Japanese cultural life. The specific colors here use traditional shikisai names that have been in the public domain for generations.

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Details

Era: Showa
Dominant hue: yellow
Moods: solemn, cool, bold
Colors: 4

Accessibility

WCAG contrast ratios between every color pair. Use the strongest combinations for text; the weakest ones make good decorative backgrounds.

Strongest pair: Olive Buff on Cotinga Purple — 7.62:1 (AAA)

Olive Buff·Cossack Green2.93:1Fail
Olive Buff·Deep Slate Olive7.52:1AAA
Olive Buff·Cotinga Purple7.62:1AAA
Cossack Green·Deep Slate Olive2.57:1Fail
Cossack Green·Cotinga Purple2.60:1Fail
Deep Slate Olive·Cotinga Purple1.01:1Fail

How to read this

AAA: Passes WCAG 2.1 AAA for normal text — the highest accessibility bar.
AA: Passes WCAG 2.1 AA for normal text. Standard production requirement.
AA Large: Passes WCAG 2.1 AA for large text only (18pt+ or 14pt+ bold). Avoid for body copy.
Fail: Below WCAG 2.1 AA. Fine for decorative use — not for text.

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Related combinations

Three palettes with a similar feel.

Showa era

Light Brownish Olive & Blackish Olive +2

Plate 318 from Sanzo Wada's 1933 Dictionary of Color Combinations — Light Brownish Olive, Blackish Olive, Dusky Green, Deep Slate Green.

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Olive Buff & Cossack Green +2

About this combination

Historical context

Embed this palette

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Crimson & Navy— 紅と紺

Pale Blue & Vermillion— 浅葱と朱

Celadon & Unbleached— 青磁と生成

Indigo Blue & Silver— 縹と銀

Grass Yellow & Rikyū Grey— 刈安と利休鼠

Royal Purple & Silver— 紫と銀

Light Brownish Olive & Blackish Olive +2

Khaki & Deep Grayish Olive +1

Lemon Yellow & Green Blue +2