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Mature Crete

#5e898b
Notes

Mature Crete (#5E898B) is a true cyan 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 (183°, 19%, 46%) places it in the muted band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#5e898b
RGB
rgb(94, 137, 139)
HSL
hsl(183, 19%, 46%)
HWB
hwb(183 37% 45%)
OKLCH
oklch(60.0% 0.047 199.6)
P3
color(display-p3 0.4051 0.5327 0.5421)
HSV
hsv(183, 32%, 55%)
LAB
lab(54.17% -14.15 -5.80)
LCH
lch(54.17% 15.29 202.27)
CMYK
cmyk(32%, 1%, 0%, 45%)

Etymology

Mature
adjective

Latin mātūrus, ripe / timely. As a color modifier, mature implies a hushed-and-fully-ripened-and-deepened quality where the hue carries the visual register of Burgundy-and-Bordeaux matured-wine-and-aged-cheese fully-developed character. Sits at the hushed-and-aged end of the grid, parallel to seasoned and aged in usage.

Crete
noun

The largest Greek island — and the saturated deep blue of Cretan beach water at Elafonissi and Balos Lagoon. Crete color refers to the lagoon at Balos: a saturated, slightly cool deep blue-green with the optical clarity of warm Aegean water filtered through pink-coral sand.

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.

#5e898b
Original
#83858b
Protanopia
#7b7f8b
Deuteranopia
#4d8c89
Tritanopia
#808080
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).
AA Largeon White
3.87:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.43:1

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
##5E898B
Display P3
Display P3
color(display-p3 0.4051 0.5327 0.5421)
Inside sRGBOKLCH chroma 0.047

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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