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Garish Nap Turquoise

#28dfda
Notes

Garish Nap Turquoise (#28DFDA) 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 (178°, 74%, 52%) 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
#28dfda
RGB
rgb(40, 223, 218)
HSL
hsl(178, 74%, 52%)
HWB
hwb(178 16% 13%)
OKLCH
oklch(81.9% 0.135 191.9)
P3
color(display-p3 0.4215 0.8619 0.8500)
HSV
hsv(178, 82%, 87%)
LAB
lab(80.90% -43.24 -9.93)
LCH
lch(80.90% 44.36 192.93)
CMYK
cmyk(82%, 0%, 2%, 13%)

Etymology

Garish
adjective

Middle English garen, to stare — adjectival suffix -ish. As a color modifier, garish implies a saturated-and-eye-stunning-and-overdone quality, the bright color of Las-Vegas-and-Coney-Island over-the-top neon-marquee display. Sits at the bright-and-flamboyant end of the grid, parallel to gaudy and lurid in usage.

Nap
modifier

Old English hnoppa, short-fluff-on-cloth. As a color modifier, nap implies a short-fluff-on-cloth-surface quality, the visual register of brushed-flannel-and-velveteen-nap hand-brushed-and-raised short-fluff-on-cloth-surface flannel-and-velveteen-and-felt-nap surfaces under brushed-flannel-and-velveteen-nap textile-light. Sits at the modifier-and-texture end of the grid, parallel to pile and fluff 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.

#28dfda
Original
#d1d3da
Protanopia
#b9c1db
Deuteranopia
#00e6dd
Tritanopia
#b8b8b8
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
1.66:1
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
12.66:1

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
##28DFDA
Display P3
Display P3
color(display-p3 0.4215 0.8619 0.8500)
P3 has subtle headroomOKLCH chroma 0.135

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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