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Lustrous Eucalyptus

#37dcb6
Notes

Lustrous Eucalyptus (#37DCB6) is a true teal with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (166°, 70%, 54%) 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
#37dcb6
RGB
rgb(55, 220, 182)
HSL
hsl(166, 70%, 54%)
HWB
hwb(166 22% 14%)
OKLCH
oklch(80.3% 0.142 173.0)
HSV
hsv(166, 75%, 86%)
LAB
lab(79.25% -50.14 6.85)
LCH
lch(79.25% 50.60 172.22)
CMYK
cmyk(75%, 0%, 17%, 14%)

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.

#37dcb6
Original
#d5cdb4
Protanopia
#bfbeb9
Deuteranopia
#00ded1
Tritanopia
#b6b6b6
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
1.74:1
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
12.08:1

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