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Searing Mope Turquoise

#21e9e0
Notes

Searing Mope Turquoise (#21E9E0) is a true cyan with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (177°, 82%, 52%) 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
#21e9e0
RGB
rgb(33, 233, 224)
HSL
hsl(177, 82%, 52%)
HWB
hwb(177 13% 9%)
OKLCH
oklch(84.5% 0.142 189.7)
HSV
hsv(177, 86%, 91%)
LAB
lab(83.95% -46.36 -8.57)
LCH
lch(83.95% 47.15 190.47)
CMYK
cmyk(86%, 0%, 4%, 9%)

Etymology

Searing
adjective

Old English sēarian, to wither — present-participle of sear. As a color modifier, searing implies a saturated-and-burning-touch-hot quality, the bright color of cast-iron-griddle high-heat surface-emission. Sits at the bright-and-warm end of the grid, parallel to scorching and blazing in usage.

Mope
modifier

Origin obscure, attested c. 1568, to-be-listless-and-dejected. As a color modifier, mope implies a listless-and-dejected-and-slumped quality, the visual register of Victorian-melancholy-and-rainy-Sunday-mope hand-listless-and-dejected-and-slumped Victorian-melancholy-and-rainy-Sunday-and-bored-afternoon moped-and-listless-and-dejected-and-slumped surfaces under Victorian-melancholy-and-rainy-Sunday-and-bored-afternoon dripping-eaves-and-grey-window slumped-window-seat-light. Sits at the modifier-and-mood end of the grid, parallel to brood and sigh 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.

#21e9e0
Original
#dbdce0
Protanopia
#c2cae2
Deuteranopia
#00f0e6
Tritanopia
#bebebe
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
1.52:1
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
13.80:1

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