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Combustive Arancione

#e56717
Notes

Combustive Arancione (#E56717) is a true orange with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (23°, 82%, 49%) 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
#e56717
RGB
rgb(229, 103, 23)
HSL
hsl(23, 82%, 49%)
HWB
hwb(23 9% 10%)
OKLCH
oklch(65.9% 0.176 46.3)
HSV
hsv(23, 90%, 90%)
LAB
lab(58.44% 45.28 62.16)
LCH
lch(58.44% 76.90 53.93)
CMYK
cmyk(0%, 55%, 90%, 10%)

Etymology

Combustive
adjective

Latin combūstus, burnt — adjectival suffix -ive, derived from com-burere (to burn-up). As a color modifier, combustive implies a saturated-and-burning-active quality, the bright color of blast-furnace-and-foundry combustion-chamber emission. Sits at the bright-and-warm end of the grid, parallel to fiery and blazing in usage.

Arancione
noun

The Italian word for orange — derived from arancia (the fruit), itself borrowed from the same Persian nāranj via Arabic. Arancione is the standard Italian color word, distinct from the older aranci (bitter oranges, used in marmalade). The color refers to ripe Sicilian blood oranges: a saturated, slightly red-shifted orange with the satin finish of citrus rind. The Italian cousin of naranja.

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.

#e56717
Original
#8c7b00
Protanopia
#aa970f
Deuteranopia
#fc4959
Tritanopia
#7c7c7c
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).
AA Largeon White
3.34:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
6.28:1

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