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Phosphoric Polenta

#d18603
Notes

Phosphoric Polenta (#D18603) is a true amber with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (38°, 97%, 42%) 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#d18603
RGB
rgb(209, 134, 3)
HSL
hsl(38, 97%, 42%)
HWB
hwb(38 1% 18%)
OKLCH
oklch(68.2% 0.147 70.3)
P3
color(display-p3 0.7777 0.5387 0.1862)
HSV
hsv(38, 99%, 82%)
LAB
lab(62.18% 20.84 67.43)
LCH
lch(62.18% 70.58 72.82)
CMYK
cmyk(0%, 36%, 99%, 18%)

Etymology

Phosphoric
adjective

Greek phōsphóros, light-bringer — adjectival suffix -ic. As a color modifier, phosphoric implies a saturated-and-cool-glow quality, the bright color of match-tip-strike and firefly phosphorus-emission luminescence. Sits at the bright-and-cool end of the grid, parallel to phosphorescent and fluorescent in usage.

Polenta
noun

Italian cornmeal porridge — eaten across northern Italy as a staple grain since corn arrived from the Americas in the sixteenth century. The color refers to a fresh-cooked yellow polenta: a saturated, slightly red-shifted gold-yellow with the matte finish of cooked maize. Warmer than buttercup.

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.

#d18603
Original
#9f8c00
Protanopia
#b19d0c
Deuteranopia
#e57372
Tritanopia
#8c8c8c
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
2.95:1
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
7.12:1

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
##D18603
Display P3
Display P3
color(display-p3 0.7777 0.5387 0.1862)
P3 has subtle headroomOKLCH chroma 0.147

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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