Showa era
Isabella Color & Green Blue
Plate 12 from Sanzo Wada's 1933 Dictionary of Color Combinations — Isabella Color, Green Blue.
#099197
blue · 9 palettes
Green Blue
About Green Blue
Green Blue is a deep, vivid blue tone. Its hex value is #099197 — that is
RGB 9, 145, 151, or HSL 183°, 89%, 31%.
It holds 5.5:1 contrast against dark, so Green Blue works best for body text, headings, and UI labels. (On white it scores 3.8:1; on black 5.5:1.)
Across Sanzo Wada's 1933 Dictionary of Color Combinations, Green Blue appears in 9 combinations — most often paired with Isabella Color, Turquoise Green and Madder Brown.
Colours that go with Green Blue
From a standard colour wheel, Green Blue anchors these four classic schemes. Each swatch is computed from its exact hue, so every hex is a real, usable pairing.
Complementary
#099197 #970F09
the hue directly opposite — the highest-contrast pairing, good for a single bold accent.
Analogous
#099197 #099756 #094A97
the two neighbours on the wheel — a calm, cohesive scheme that feels effortless.
Triadic
#099197 #970991 #919709
two hues an even third of the wheel away — balanced and lively without clashing.
Split-complementary
#099197 #97094A #975609
the two colours either side of the complement — the contrast of a complement, softened.
How to use Green Blue
Green Blue is a deep, vivid tone (HSL 183°, 89%, 31%), which makes it a grounding background or strong accent. For text it passes WCAG AA for body text against a dark background (5.5:1) — safe for paragraphs, buttons and labels. When you do set type on it, use light lettering. Pair it with its complement (#970F09) for a focal accent, or with its analogous neighbours (#099756 and #094A97) for a quieter, harmonious feel.
Palettes with Green Blue
Green Blue appears in 9 combinations from the archive. Each pairing reveals how the same color shifts character depending on its neighbours.
From the archive
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