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Bracing Vireo

#e9df34
Notes

Bracing Vireo (#E9DF34) is a true yellow with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (57°, 80%, 56%) 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 blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#e9df34
RGB
rgb(233, 223, 52)
HSL
hsl(57, 80%, 56%)
HWB
hwb(57 20% 9%)
OKLCH
oklch(88.4% 0.176 105.9)
P3
color(display-p3 0.9069 0.8758 0.3468)
HSV
hsv(57, 78%, 91%)
LAB
lab(87.17% -14.31 77.82)
LCH
lch(87.17% 79.12 100.42)
CMYK
cmyk(0%, 4%, 78%, 9%)

Etymology

Bracing
adjective

Old French bracier, to embrace — present-participle of brace. As a color modifier, bracing implies a saturated-and-cool-and-energizing quality, the bright color of Atlantic-Cornish-coast and Hebridean-island fresh-sea-air visual-stimulation. Sits at the bright-and-cool end of the grid, parallel to invigorating and crisp in usage.

Vireo
noun

The genus Vireo — small North American songbirds with yellow-tinted plumage. Particularly V. flavifrons (yellow-throated vireo) whose males have bright yellow throats and breasts. The color refers to a yellow-throated vireo's breast: a soft, slightly cool yellow with the matte finish of feather pigment.

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.

#e9df34
Original
#f3d700
Protanopia
#f7dd43
Deuteranopia
#fad0c0
Tritanopia
#d5d5d5
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
1.39:1
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
15.07:1

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
##E9DF34
Display P3
Display P3
color(display-p3 0.9069 0.8758 0.3468)
P3 has subtle headroomOKLCH chroma 0.176

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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