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Smooth Dew Teal

#18b9a3
Notes

Smooth Dew Teal (#18B9A3) 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 (172°, 77%, 41%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#18b9a3
RGB
rgb(24, 185, 163)
HSL
hsl(172, 77%, 41%)
HWB
hwb(172 9% 27%)
OKLCH
oklch(70.6% 0.125 180.0)
HSV
hsv(172, 87%, 73%)
LAB
lab(67.68% -43.18 0.31)
LCH
lch(67.68% 43.19 179.59)
CMYK
cmyk(87%, 0%, 12%, 27%)

Etymology

Smooth
adjective

Old English smōþ, level, polished — used as a color modifier since the seventeenth century for hues that read as continuous without texture or break. Smooth tan, smooth gray: moderate saturation combined with optical evenness. Sits in the crisp-bucket alongside even.

Dew
modifier

Old English dēaw, morning-moisture. As a color modifier, dew implies a beaded-and-fresh-and-morning-moisture quality, the visual register of spider-web-and-meadow-grass-dew hand-beaded-and-pearl-and-morning spider-web-and-meadow-grass-and-petal-edge dewed-and-beaded-and-pearl surfaces under spider-web-and-meadow-grass first-light-of-dawn-and-rising-mist-and-pearl morning-meadow-light. Sits at the modifier-and-mood end of the grid, parallel to mist and gleam in usage.

Teal
noun

Anas crecca, the small dabbling duck whose male in breeding plumage sports a chestnut head crossed by a glossy green-blue stripe. The color refers to that stripe — the iridescent panel just behind the eye: a saturated, slightly muted blue-green with the optical depth of structural color rather than pigment. Cooler than cypress, warmer than cerulean, with the ornithological specificity of a color named for one feather of one bird.

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.

#18b9a3
Original
#b1ada2
Protanopia
#9d9fa5
Deuteranopia
#00bcb2
Tritanopia
#959595
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
2.47:1
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
8.51:1

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