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Rousing Zheltyy

#babf11
Notes

Rousing Zheltyy (#BABF11) 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 (62°, 84%, 41%) 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
#babf11
RGB
rgb(186, 191, 17)
HSL
hsl(62, 84%, 41%)
HWB
hwb(62 7% 25%)
OKLCH
oklch(77.5% 0.168 111.7)
P3
color(display-p3 0.7329 0.7484 0.2508)
HSV
hsv(62, 91%, 75%)
LAB
lab(74.66% -19.29 73.64)
LCH
lch(74.66% 76.12 104.68)
CMYK
cmyk(3%, 0%, 91%, 25%)

Etymology

Rousing
adjective

Old English rūsan, to rush — present-participle of rouse. As a color modifier, rousing implies a saturated-and-wakening-and-active quality, the bright color of dawn-chorus-and-morning-bell atmospheric-and-aural stimulation. Sits at the bright-and-active end of the grid, parallel to awakening and invigorating in usage.

Zheltyy
noun

The Russian word for yellow — used in classical Russian literature (Dostoevsky's Crime and Punishment opens with the zheltye wallpaper of St. Petersburg) and in the deep yellow of Russian Orthodox prosphora bread. The color refers to zheltyy-painted Russian carriage houses: a saturated, slightly muted deep yellow with the matte finish of weathered linseed-oil paint.

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.

#babf11
Original
#cfb600
Protanopia
#d0ba29
Deuteranopia
#c8b2a3
Tritanopia
#b1b1b1
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
1.99:1
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
10.55:1

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
##BABF11
Display P3
Display P3
color(display-p3 0.7329 0.7484 0.2508)
P3 has subtle headroomOKLCH chroma 0.168

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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