iro Traditional Japanese Colors
Green

青碧

Seiheki
Sea Jade

A muted blue-green named after antique jasper stones with pale sea-water tones.

Color codes

HEX
#478384
COPIED
RGB
rgb(71, 131, 132)
COPIED
HSL
hsl(181, 30%, 40%)
COPIED
CMYK
cmyk(46, 1, 0, 48)
COPIED

Origin

Seiheki was originally the name of a specific jasper prized in Chinese antiquity. As a dye color it entered Japan during the Edo period and was used for men's formal robes and screen paintings.

Where you'll see it

Screen paintings, sophisticated menswear, wa-modern interiors.

Contrast & accessibility

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Harmony palette

Computed from the color wheel — base, analogous (±30°), complementary, and triad. Click any swatch to copy.

Tip: analogous colors read as calm; complementary and triad add contrast for calls-to-action.

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