colors
Back to gallery

Scorching Ruggine

#f08528
Notes

Scorching Ruggine (#F08528) 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 (28°, 87%, 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
#f08528
RGB
rgb(240, 133, 40)
HSL
hsl(28, 87%, 55%)
HWB
hwb(28 16% 6%)
OKLCH
oklch(72.1% 0.163 55.6)
HSV
hsv(28, 83%, 94%)
LAB
lab(66.10% 34.96 63.41)
LCH
lch(66.10% 72.41 61.13)
CMYK
cmyk(0%, 45%, 83%, 6%)

Etymology

Scorching
adjective

Old English scorcnian, to dry up — present-participle of scorch. As a color modifier, scorching implies a saturated-and-burning-hot quality, the bright color of Mojave-Desert-and-Death-Valley mid-afternoon high-temperature surface-emission. Sits at the bright-and-warm end of the grid, parallel to searing and sizzling in usage.

Ruggine
noun

The Italian word for rust — borrowed into fashion vocabulary for the slightly muted deep orange-brown of weathered iron and autumn foliage. The color refers to a ruggine-dyed Florentine wool: a deep, slightly muted dark orange-brown with the matte finish of plant-and-iron-mordant dye. The Italian cousin of rust.

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.

#f08528
Original
#a59215
Protanopia
#beaa27
Deuteranopia
#ff6d73
Tritanopia
#959595
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
2.60:1
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
8.09:1

Related Colors

Canvas