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Prismatic Yolk

#fbe338
Notes

Prismatic Yolk (#FBE338) is a true amber with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (53°, 96%, 60%) places it in the highly saturated band at a mid 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 blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#fbe338
RGB
rgb(251, 227, 56)
HSL
hsl(53, 96%, 60%)
HWB
hwb(53 22% 2%)
OKLCH
oklch(90.9% 0.176 100.8)
P3
color(display-p3 0.9685 0.8935 0.3625)
HSV
hsv(53, 78%, 98%)
LAB
lab(89.74% -8.64 79.52)
LCH
lch(89.74% 79.99 96.20)
CMYK
cmyk(0%, 10%, 78%, 2%)

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.

Yolk
noun

The yellow center of a chicken egg — colored by carotenoid pigments in the hen's feed, ranging from pale lemon (commercial barn-raised) to deep orange (pasture-raised, marigold-supplemented). The color refers to a fresh free-range yolk against the white: a saturated, slightly orange-shifted yellow with the satiny surface of a vitellus membrane. Warmer than canary, deeper than sunflower; the unifying yellow of breakfast.

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.

#fbe338
Original
#f9dc03
Protanopia
#ffe645
Deuteranopia
#ffd2c3
Tritanopia
#dcdcdc
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
1.30:1
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
16.15:1

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
##FBE338
Display P3
Display P3
color(display-p3 0.9685 0.8935 0.3625)
P3 has subtle headroomOKLCH chroma 0.176

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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