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Robust Champagne

#739506
Notes

Robust Champagne (#739506) is a deep yellow with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (74°, 92%, 30%) places it in the highly saturated band at a dark 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 indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#739506
RGB
rgb(115, 149, 6)
HSL
hsl(74, 92%, 30%)
HWB
hwb(74 2% 42%)
OKLCH
oklch(62.1% 0.153 124.3)
P3
color(display-p3 0.4781 0.5805 0.1769)
HSV
hsv(74, 96%, 58%)
LAB
lab(57.22% -29.28 59.28)
LCH
lch(57.22% 66.12 116.29)
CMYK
cmyk(23%, 0%, 96%, 42%)

Etymology

Robust
adjective

From the Latin robustus, of oak — implying strength combined with substance. As a color modifier, robust describes saturation combined with body: a robust burgundy, a robust olive. Sits in the bold-and-warm corner alongside strong and solid, with the slightly textural implication of a color that has substance behind the pigment.

Champagne
noun

The pale, slightly amber yellow of dry sparkling wine from the Champagne region of northern France — a color produced by long contact with the lees in the bottle, regardless of grape source. The color refers to the wine in a clean flute: a soft, faintly golden yellow-tan with the optical lightness of a clear liquid. Lighter than honey, warmer than cream, with the celebratory weight of a French appellation that's been protected since 1936.

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.

#739506
Original
#9e8a00
Protanopia
#9a891e
Deuteranopia
#798d7e
Tritanopia
#838383
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).
AA Largeon White
3.48:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
6.03:1

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
##739506
Display P3
Display P3
color(display-p3 0.4781 0.5805 0.1769)
P3 has subtle headroomOKLCH chroma 0.153

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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