Showa era
Eugenia Red | B & Sea Green
Plate 17 from Sanzo Wada's 1933 Dictionary of Color Combinations — Eugenia Red | B, Sea Green.
blue · 11 palettes
Sea Green is a deep, vivid blue tone. Its hex value is #00b49b — that is
RGB 0, 180, 155, or HSL 172°, 100%, 35%.
It holds 8.0:1 contrast against dark, so Sea Green works best for body text, headings, and UI labels. (On white it scores 2.6:1; on black 8.0:1.)
Across Sanzo Wada's 1933 Dictionary of Color Combinations, Sea Green appears in 11 combinations — most often paired with Peach Red, Eugenia Red | B and Grenadine Pink.
From a standard colour wheel, Sea Green anchors these four classic schemes. Each swatch is computed from its exact hue, so every hex is a real, usable pairing.
the hue directly opposite — the highest-contrast pairing, good for a single bold accent.
the two neighbours on the wheel — a calm, cohesive scheme that feels effortless.
two hues an even third of the wheel away — balanced and lively without clashing.
the two colours either side of the complement — the contrast of a complement, softened.
Sea Green is a deep, vivid tone (HSL 172°, 100%, 35%), which makes it a grounding background or strong accent. For text it passes WCAG AA for body text against a dark background (8.0:1) — safe for paragraphs, buttons and labels. When you do set type on it, use light lettering. Pair it with its complement (#B40019) for a focal accent, or with its analogous neighbours (#00B441 and #0073B4) for a quieter, harmonious feel.
Sea Green appears in 11 combinations from the archive. Each pairing reveals how the same color shifts character depending on its neighbours.
From the archive
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