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Sharp Forsythia

#bbb90b
Notes

Sharp Forsythia (#BBB90B) is a true yellow with a warm character. It leans warm, pulling light toward red, orange, and yellow. Naturally inviting, it suits editorial and hospitality contexts. Its HSL profile (59°, 89%, 39%) 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
#bbb90b
RGB
rgb(187, 185, 11)
HSL
hsl(59, 89%, 39%)
HWB
hwb(59 4% 27%)
OKLCH
oklch(76.2% 0.164 108.9)
P3
color(display-p3 0.7319 0.7258 0.2392)
HSV
hsv(59, 94%, 73%)
LAB
lab(73.08% -15.94 73.23)
LCH
lch(73.08% 74.95 102.28)
CMYK
cmyk(0%, 1%, 94%, 27%)

Etymology

Sharp
adjective

Old English scearp, cutting, pointed — applied metaphorically to color since the seventeenth century for hues that read as definite and edge-defined. Sharp red, sharp green: the implication is saturation combined with high-contrast crispness. Sits in the bright-bucket center alongside crisp and clear, with a slightly more incisive edge.

Forsythia
noun

Forsythia × intermedia, the East Asian shrub naturalized in European gardens — and the bright yellow flowers that cover bare branches in early spring before the leaves emerge. The color refers to a fresh Forsythia bloom in March: a saturated, slightly red-shifted bright yellow with the matte finish of small four-petaled flowers covering an entire shrub.

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.

#bbb90b
Original
#c9b100
Protanopia
#cbb625
Deuteranopia
#c9ac9d
Tritanopia
#adadad
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
2.09:1
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
10.06:1

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
##BBB90B
Display P3
Display P3
color(display-p3 0.7319 0.7258 0.2392)
P3 has subtle headroomOKLCH chroma 0.164

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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