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Blazing Flurry Turquoise

#21e5dc
Notes

Blazing Flurry Turquoise (#21E5DC) 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°, 79%, 51%) 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
#21e5dc
RGB
rgb(33, 229, 220)
HSL
hsl(177, 79%, 51%)
HWB
hwb(177 13% 10%)
OKLCH
oklch(83.4% 0.140 189.7)
P3
color(display-p3 0.4257 0.8850 0.8590)
HSV
hsv(177, 86%, 90%)
LAB
lab(82.66% -45.76 -8.38)
LCH
lch(82.66% 46.52 190.37)
CMYK
cmyk(86%, 0%, 4%, 10%)

Etymology

Blazing
adjective

Old English blǣse, flame — present-participle of blaze. As a color modifier, blazing implies a saturated-and-bright-flaming quality, the bright color of Yule-log and Bonfire-Night large-flame fire-emission. Sits at the bright-and-warm end of the grid, parallel to flaming and scorching in usage.

Flurry
modifier

Imitative origin, quick-burst-of-snow. As a color modifier, flurry implies a quick-burst-of-snow-and-light-and-fluttering quality, the visual register of Adirondack-and-Vermont-flurry hand-quick-burst-of-snow-and-light-and-fluttering Adirondack-and-Vermont-flurry-and-New-England-snow flurry-and-quick-burst-of-snow surfaces under Adirondack-and-Vermont-flurry-and-New-England-snow Adirondack-and-Green-Mountains-and-White-Mountains New-England-snow-light. Sits at the modifier-and-weather end of the grid, parallel to slush and thaw 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.

#21e5dc
Original
#d7d8dc
Protanopia
#bec6de
Deuteranopia
#00ebe2
Tritanopia
#bbbbbb
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
1.58:1
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
13.31:1

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
##21E5DC
Display P3
Display P3
color(display-p3 0.4257 0.8850 0.8590)
P3 has subtle headroomOKLCH chroma 0.140

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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