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Aligned Celadon

#0c5a4e
Notes

Aligned Celadon (#0C5A4E) is a deep teal with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (171°, 76%, 20%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#0c5a4e
RGB
rgb(12, 90, 78)
HSL
hsl(171, 76%, 20%)
HWB
hwb(171 5% 65%)
OKLCH
oklch(42.1% 0.073 179.1)
HSV
hsv(171, 87%, 35%)
LAB
lab(33.86% -25.31 0.60)
LCH
lch(33.86% 25.31 178.64)
CMYK
cmyk(87%, 0%, 13%, 65%)

Etymology

Aligned
adjective

French à-ligne, to-line-up — past-participle of align. As a color modifier, aligned implies a clear-and-axis-coordinated quality where the hue carries the visual register of carefully-parallel-arranged elements. Sits at the crisp-and-balanced end of the grid, parallel to symmetrical and squared in usage.

Celadon
noun

The pale-green iron-ash glaze fired on Chinese and Korean stoneware since the Han dynasty — Goryeo celadon and Longquan ware reaching their peak between the tenth and thirteenth centuries. The color refers to a glazed Goryeo bowl in display lighting: a soft, slightly muted green-blue with the high shine of vitrified silica. Cooler than jade, warmer than seafoam, with the museum weight of a ceramic tradition prized in East Asian imperial courts.

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

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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.

#0c5a4e
Original
#56544e
Protanopia
#4c4d4f
Deuteranopia
#005c56
Tritanopia
#494949
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
8.11:1
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

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