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Ostentatious Ginkgo

#a1ad1d
Notes

Ostentatious Ginkgo (#A1AD1D) 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 (65°, 71%, 40%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#a1ad1d
RGB
rgb(161, 173, 29)
HSL
hsl(65, 71%, 40%)
HWB
hwb(65 11% 32%)
OKLCH
oklch(71.4% 0.154 114.8)
P3
color(display-p3 0.6401 0.6769 0.2415)
HSV
hsv(65, 83%, 68%)
LAB
lab(67.69% -20.82 64.80)
LCH
lch(67.69% 68.06 107.81)
CMYK
cmyk(7%, 0%, 83%, 32%)

Etymology

Ostentatious
adjective

Latin ostentātiōnis, display — adjectival suffix -ous, derived from ostendere (to show). As a color modifier, ostentatious implies a saturated-and-attention-demanding-and-elaborate quality, the bright color of Belle-Époque-and-Gilded-Age showy-luxury-display interior-decoration. Sits at the bright-and-flamboyant end of the grid, parallel to flamboyant and showy in usage.

Ginkgo
noun

Ginkgo biloba, the Chinese tree species predating dinosaurs — a living fossil whose fan-shaped leaves turn brilliant yellow in autumn. Often called the maidenhair tree. The color refers to a Ginkgo canopy at peak autumn color: a saturated, slightly cool deep yellow with the satin finish of carotenoid-rich autumn leaves.

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.

#a1ad1d
Original
#baa400
Protanopia
#b9a62c
Deuteranopia
#aca294
Tritanopia
#a0a0a0
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
2.47:1
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
8.51:1

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
##A1AD1D
Display P3
Display P3
color(display-p3 0.6401 0.6769 0.2415)
P3 has subtle headroomOKLCH chroma 0.154

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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