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Prismatic Stamen

#b6ad21
Notes

Prismatic Stamen (#B6AD21) 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 (56°, 69%, 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
#b6ad21
RGB
rgb(182, 173, 33)
HSL
hsl(56, 69%, 42%)
HWB
hwb(56 13% 29%)
OKLCH
oklch(73.3% 0.148 105.5)
HSV
hsv(56, 82%, 71%)
LAB
lab(69.43% -11.52 65.93)
LCH
lch(69.43% 66.93 99.91)
CMYK
cmyk(0%, 5%, 82%, 29%)

Etymology

Prismatic
adjective

Greek prísma, prism — adjectival suffix -ic. As a color modifier, prismatic implies a saturated-and-multi-spectrum-decomposed quality, the bright color of crystal-prism and cut-glass-chandelier light-refraction-spectrum decomposition. Sits at the bright-and-shifting end of the grid, parallel to iridescent and spectral 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

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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.

#b6ad21
Original
#bda600
Protanopia
#c0ac2e
Deuteranopia
#c4a194
Tritanopia
#a5a5a5
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
8.99:1

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