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Aging Asagi

#31574a
Notes

Aging Asagi (#31574A) is a deep teal with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (159°, 28%, 27%) places it in the muted band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. For a confident two-color system, pair it with its complementary magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#31574a
RGB
rgb(49, 87, 74)
HSL
hsl(159, 28%, 27%)
HWB
hwb(159 19% 66%)
OKLCH
oklch(42.4% 0.049 170.0)
P3
color(display-p3 0.2271 0.3374 0.2929)
HSV
hsv(159, 44%, 34%)
LAB
lab(33.91% -17.02 3.33)
LCH
lch(33.91% 17.35 168.94)
CMYK
cmyk(44%, 0%, 15%, 66%)

Etymology

Aging
adjective

Old French aage, age — present-participle of age. As a color modifier, aging implies a hushed-and-time-deepening-and-developing quality where the hue carries the visual register of Bordeaux-and-Burgundy multi-decade gradually-aging-and-deepening wine-cellar maturation. Sits at the hushed-and-aged end of the grid, parallel to seasoning and maturing in usage.

Asagi
noun

Asagi-iro (浅葱色) — Japanese for light-onion color — a soft pale blue-green traditional in Heian-period kimono linings and Edo-period samurai inner robes. The color refers to a fresh-dyed asagi silk: a soft, slightly cool pale blue-green with the satin finish of plant-and-mordant silk dye. Cooler than mint, lighter than seafoam.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#31574a
Original
#555249
Protanopia
#4f4e4b
Deuteranopia
#265753
Tritanopia
#4e4e4e
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon White
8.10:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.59:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##31574A
Display P3
Display P3
color(display-p3 0.2271 0.3374 0.2929)
Inside sRGBOKLCH chroma 0.049

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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