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Sanitary Mangrove

#43837b
Notes

Sanitary Mangrove (#43837B) is a true 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 (173°, 32%, 39%) 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#43837b
RGB
rgb(67, 131, 123)
HSL
hsl(173, 32%, 39%)
HWB
hwb(173 26% 49%)
OKLCH
oklch(56.5% 0.067 184.9)
P3
color(display-p3 0.3254 0.5078 0.4820)
HSV
hsv(173, 49%, 51%)
LAB
lab(50.52% -22.62 -2.02)
LCH
lch(50.52% 22.71 185.11)
CMYK
cmyk(49%, 0%, 6%, 49%)

Etymology

Sanitary
adjective

Latin sānitās, health — adjectival suffix -ary. As a color modifier, sanitary implies a clear-and-clean-and-medical quality, the crisp color of Bauhaus-and-Modern clinical-and-hospital interior-architecture white-tile-and-stainless-steel surfaces. Sits at the crisp-and-clean end of the grid, parallel to hygienic and sterile in usage.

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

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.

#43837b
Original
#7e7d7b
Protanopia
#73757c
Deuteranopia
#248580
Tritanopia
#757575
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
4.40:1
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
4.77:1

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
##43837B
Display P3
Display P3
color(display-p3 0.3254 0.5078 0.4820)
Inside sRGBOKLCH chroma 0.067

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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