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Even Hauyne

#40a899
Notes

Even Hauyne (#40A899) 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 (171°, 45%, 45%) 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
#40a899
RGB
rgb(64, 168, 153)
HSL
hsl(171, 45%, 45%)
HWB
hwb(171 25% 34%)
OKLCH
oklch(66.7% 0.098 182.1)
P3
color(display-p3 0.3682 0.6502 0.6006)
HSV
hsv(171, 62%, 66%)
LAB
lab(62.84% -33.46 -1.13)
LCH
lch(62.84% 33.48 181.93)
CMYK
cmyk(62%, 0%, 9%, 34%)

Etymology

Even
adjective

Old English efen, flat, equal — used as a color modifier since the medieval period for hues that read as uniformly distributed across a surface. Even gray, even tan: the implication is moderate saturation combined with optical uniformity. Sits at the crisp-bucket center alongside steady and balanced.

Hauyne
noun

A blue-to-green variety of the lazurite mineral group — used in classical Egyptian and Mesoamerican blue pigments and modern fine jewelry. The color refers to a polished hauyne specimen: a saturated, slightly cool deep blue-green with the matte finish of sodium-aluminum silicate.

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.

#40a899
Original
#a19f98
Protanopia
#91939a
Deuteranopia
#00aba3
Tritanopia
#919191
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
2.88:1
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
7.28:1

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
##40A899
Display P3
Display P3
color(display-p3 0.3682 0.6502 0.6006)
P3 has subtle headroomOKLCH chroma 0.098

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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