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Coruscating Wake Turquoise

#2ad9c1
Notes

Coruscating Wake Turquoise (#2AD9C1) 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°, 70%, 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2ad9c1
RGB
rgb(42, 217, 193)
HSL
hsl(172, 70%, 51%)
HWB
hwb(172 16% 15%)
OKLCH
oklch(79.7% 0.137 180.6)
P3
color(display-p3 0.4131 0.8388 0.7587)
HSV
hsv(172, 81%, 85%)
LAB
lab(78.44% -47.37 -0.22)
LCH
lch(78.44% 47.37 180.26)
CMYK
cmyk(81%, 0%, 11%, 15%)

Etymology

Coruscating
adjective

Latin coruscāns, flashing — present-participle of coruscāre. As a color modifier, coruscating implies a saturated-and-rapidly-flashing quality, the bright color of lightning-strike atmospheric-electrical-discharge against the night-sky. Sits at the bright-and-flashing end of the grid, parallel to flashing and flickering in usage.

Wake
modifier

Old English wacian, to be awake. As a color modifier, wake implies a morning-rising-and-dawn quality, the visual register of first-light-and-dawn-rising atmospheric soft-low-light Rayleigh-scattered first-of-the-day pre-dawn-and-dawn surfaces under first-light dawn-rising light. Sits at the modifier-and-time end of the grid, parallel to rise and morn in usage.

Turquoise
noun

The hydrated copper-aluminum phosphate mined in Persia and the American Southwest for thousands of years — the firuze of Iran, the chalchihuitl of Mesoamerica, the heart of Pueblo and Navajo silverwork. The color refers to a fine Sleeping Beauty turquoise from Arizona: a saturated, slightly green-shifted blue with the slight matrix of host-rock veining. Brighter than persian, lighter than cerulean.

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.

#2ad9c1
Original
#cfccc0
Protanopia
#b9bbc3
Deuteranopia
#00ddd2
Tritanopia
#b2b2b2
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
1.78:1
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
11.79:1

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
##2AD9C1
Display P3
Display P3
color(display-p3 0.4131 0.8388 0.7587)
P3 has subtle headroomOKLCH chroma 0.137

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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