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Clear Mangrove

#51b47f
Notes

Clear Mangrove (#51B47F) is a true teal with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (148°, 40%, 51%) places it in the balanced 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 magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#51b47f
RGB
rgb(81, 180, 127)
HSL
hsl(148, 40%, 51%)
HWB
hwb(148 32% 29%)
OKLCH
oklch(69.6% 0.123 157.5)
HSV
hsv(148, 55%, 71%)
LAB
lab(66.46% -41.42 18.46)
LCH
lch(66.46% 45.35 155.97)
CMYK
cmyk(55%, 0%, 29%, 29%)

Etymology

Clear
adjective

From the Latin clarus, bright, distinct — used as a color modifier since the medieval period for hues without haze or mixing. Clear blue sky, clear green water: the implication is moderate saturation combined with optical clarity. Sits at the crisp-bucket center alongside clean and true.

Mangrove
noun

Tropical-coastal salt-tolerant trees — Rhizophora, Avicennia, Bruguiera — whose tangled prop-roots define tropical estuaries from Florida to Borneo. Mangrove color refers to mature mangrove foliage seen against tidal water: a saturated, slightly cool deep blue-green with the matte finish of dense salt-adapted leaves.

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.

#51b47f
Original
#b3a87c
Protanopia
#a59e82
Deuteranopia
#31b3a6
Tritanopia
#9b9b9b
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).
Failon White
2.57:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
8.18:1

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