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Phosphoric Spelt

#f79728
Notes

Phosphoric Spelt (#F79728) is a true orange 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 (32°, 93%, 56%) 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
#f79728
RGB
rgb(247, 151, 40)
HSL
hsl(32, 93%, 56%)
HWB
hwb(32 16% 3%)
OKLCH
oklch(76.0% 0.161 63.3)
HSV
hsv(32, 84%, 97%)
LAB
lab(70.92% 28.48 67.86)
LCH
lch(70.92% 73.59 67.23)
CMYK
cmyk(0%, 39%, 84%, 3%)

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.

Spelt
noun

Triticum spelta, the ancient wheat species cultivated in Europe since the Bronze Age — slowly returning to artisan baking after a century of displacement by modern wheat. The color refers to a fresh-baked spelt loaf: a soft, slightly muted warm tan with the slightly nuttier finish of ancient-grain flour.

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.

#f79728
Original
#b5a00c
Protanopia
#ccb62a
Deuteranopia
#ff8182
Tritanopia
#a3a3a3
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
2.23:1
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
9.41:1

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