colors
Back to gallery

Spangled Buttercup

#a8b119
Notes

Spangled Buttercup (#A8B119) 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 (64°, 75%, 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
#a8b119
RGB
rgb(168, 177, 25)
HSL
hsl(64, 75%, 40%)
HWB
hwb(64 10% 31%)
OKLCH
oklch(72.9% 0.157 113.4)
HSV
hsv(64, 86%, 69%)
LAB
lab(69.36% -19.91 67.35)
LCH
lch(69.36% 70.23 106.47)
CMYK
cmyk(5%, 0%, 86%, 31%)

Etymology

Spangled
adjective

Middle Dutch spange, clasp / metal-disc — past-participle of spangle. As a color modifier, spangled implies a saturated-and-multi-point-reflective quality, the bright color of American-flag-stars and sequined-fabric metallic-disc-and-jewel-decoration. Sits at the bright-and-reflective end of the grid, parallel to glittering and sequined in usage.

Buttercup
noun

Ranunculus acris and its meadow cousins — the small, glossy yellow flowers of European pastures whose petals reflect ultraviolet light to attract bees. The color refers to a buttercup petal in full sun: a saturated, slightly cool yellow with the polished finish of an epidermis that scatters light like wet paint. The folk test for whether you like butter — holding the flower under your chin to catch its yellow reflection — works on every variety.

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.

#a8b119
Original
#bfa800
Protanopia
#bfab2b
Deuteranopia
#b4a697
Tritanopia
#a4a4a4
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
2.34:1
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
8.97:1

Related Colors

Canvas