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Luminous Stamen

#b1ba1d
Notes

Luminous Stamen (#B1BA1D) 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 (63°, 73%, 42%) 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
#b1ba1d
RGB
rgb(177, 186, 29)
HSL
hsl(63, 73%, 42%)
HWB
hwb(63 11% 27%)
OKLCH
oklch(75.7% 0.163 113.3)
P3
color(display-p3 0.7006 0.7283 0.2583)
HSV
hsv(63, 84%, 73%)
LAB
lab(72.60% -20.41 69.44)
LCH
lch(72.60% 72.38 106.38)
CMYK
cmyk(5%, 0%, 84%, 27%)

Etymology

Luminous
adjective

Latin lūminōsus, full of light — adjectival suffix -ous, derived from lūmen (light). As a color modifier, luminous implies a saturated-and-light-emitting quality where the hue carries internal-glow visual register. Sits at the bright-and-saturated end of the grid, parallel to radiant and resplendent in usage.

Stamen
noun

The pollen-bearing male reproductive part of a flower — the Crocus sativus stamen yields saffron, the Lilium stamen leaves orange smudges on white linen, and the Hibiscus stamen sticks out from open blooms. The color refers to a Crocus stamen with anther: a saturated, slightly cool deep yellow with the matte finish of pollen-rich anther.

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.

#b1ba1d
Original
#c9b100
Protanopia
#c9b42e
Deuteranopia
#beae9f
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
2.12:1
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
9.91:1

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
##B1BA1D
Display P3
Display P3
color(display-p3 0.7006 0.7283 0.2583)
P3 has subtle headroomOKLCH chroma 0.163

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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