Showa era
Seashell Pink & Deep Slate Green
Plate 84 from Sanzo Wada's 1933 Dictionary of Color Combinations — Seashell Pink, Deep Slate Green.
blue · 6 palettes
Deep Slate Green is a deep, muted blue tone. Its hex value is #112f2c — that is
RGB 17, 47, 44, or HSL 174°, 47%, 13%.
It holds 14.3:1 contrast against white, so Deep Slate Green works best for body text, headings, and UI labels. (On white it scores 14.3:1; on black 1.5:1.)
Across Sanzo Wada's 1933 Dictionary of Color Combinations, Deep Slate Green appears in 6 combinations — most often paired with Naples Yellow, Seashell Pink and Olive Ocher.
From a standard colour wheel, Deep Slate 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.
Deep Slate Green is a deep, muted tone (HSL 174°, 47%, 13%), which makes it a grounding background or strong accent. For text it passes WCAG AA for body text against a light background (14.3:1) — safe for paragraphs, buttons and labels. When you do set type on it, use light lettering. Pair it with its complement (#2F1114) for a focal accent, or with its analogous neighbours (#112F1D and #11232F) for a quieter, harmonious feel.
Deep Slate Green appears in 6 combinations from the archive. Each pairing reveals how the same color shifts character depending on its neighbours.
From the archive
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