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Spirited Heron

#25dbe9
Notes

Spirited Heron (#25DBE9) 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 (184°, 82%, 53%) 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
#25dbe9
RGB
rgb(37, 219, 233)
HSL
hsl(184, 82%, 53%)
HWB
hwb(184 15% 9%)
OKLCH
oklch(81.5% 0.134 203.4)
HSV
hsv(184, 84%, 91%)
LAB
lab(80.14% -37.24 -19.05)
LCH
lch(80.14% 41.83 207.09)
CMYK
cmyk(84%, 6%, 0%, 9%)

Etymology

Spirited
adjective

An adjectival form of spirit — used as a color modifier since the seventeenth century for hues that read as animate and characterful. Spirited orange, spirited green: the implication is saturation combined with personality, a color that feels like it has agency. Sits at the bright-bucket center alongside lively and vibrant.

Heron
noun

The family Ardeidae — particularly Ardea cinerea (gray heron) of European wetlands and Ardea herodias (great blue heron) of North America, whose plumage is dominated by saturated blue-gray. The color refers to a great blue heron in flight: a soft, slightly cool deep blue-gray with the matte finish of large wading-bird plumage.

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.

#25dbe9
Original
#c9d1ea
Protanopia
#afbfea
Deuteranopia
#00e4df
Tritanopia
#b5b5b5
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
1.70:1
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
12.39:1

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