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Phosphoric Weaver

#ef8d28
Notes

Phosphoric Weaver (#EF8D28) 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 (30°, 86%, 55%) 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
#ef8d28
RGB
rgb(239, 141, 40)
HSL
hsl(30, 86%, 55%)
HWB
hwb(30 16% 6%)
OKLCH
oklch(73.3% 0.158 60.2)
HSV
hsv(30, 83%, 94%)
LAB
lab(67.69% 30.41 64.72)
LCH
lch(67.69% 71.51 64.83)
CMYK
cmyk(0%, 41%, 83%, 6%)

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.

Weaver
noun

The family Ploceidae — particularly Ploceus species, the African weavers whose males build elaborate woven nests and sport bright yellow breeding plumage. The color refers to a male southern masked weaver in breeding plumage: a saturated, slightly red yellow with the matte finish of bright carotenoid feathers.

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.

#ef8d28
Original
#ab9712
Protanopia
#c2ae29
Deuteranopia
#ff777a
Tritanopia
#9b9b9b
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
2.47:1
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
8.51:1

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