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Vibrant Bayou

#2dade7
Notes

Vibrant Bayou (#2DADE7) 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 (199°, 79%, 54%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2dade7
RGB
rgb(45, 173, 231)
HSL
hsl(199, 79%, 54%)
HWB
hwb(199 18% 9%)
OKLCH
oklch(70.6% 0.135 233.8)
P3
color(display-p3 0.3420 0.6688 0.8851)
HSV
hsv(199, 81%, 91%)
LAB
lab(66.68% -14.28 -38.64)
LCH
lch(66.68% 41.20 249.72)
CMYK
cmyk(81%, 25%, 0%, 9%)

Etymology

Vibrant
adjective

From the Latin vibrare, to shake — used as a color word since the seventeenth century for hues that read as alive and resonant. Vibrant orange, vibrant green: the implication is saturation combined with the optical impression of slight motion or energy. Sits at the bright-bucket center alongside vivid and lively.

Bayou
noun

A slow-moving body of water in the Mississippi-Louisiana wetland — particularly the Atchafalaya Basin and Cajun Country swamps. Bayou color refers to typical Louisiana bayou water: a soft, slightly cool deep blue-green with the optical complexity of tannin-stained slow-moving freshwater under cypress canopy.

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.

#2dade7
Original
#90acea
Protanopia
#789be6
Deuteranopia
#00bcc1
Tritanopia
#969696
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
2.55:1
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
8.24:1

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
##2DADE7
Display P3
Display P3
color(display-p3 0.3420 0.6688 0.8851)
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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