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Combustive Bruciato

#e17734
Notes

Combustive Bruciato (#E17734) 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°, 74%, 54%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#e17734
RGB
rgb(225, 119, 52)
HSL
hsl(23, 74%, 54%)
HWB
hwb(23 20% 12%)
OKLCH
oklch(67.9% 0.153 49.6)
HSV
hsv(23, 77%, 88%)
LAB
lab(61.18% 36.55 53.26)
LCH
lch(61.18% 64.60 55.54)
CMYK
cmyk(0%, 47%, 77%, 12%)

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.

Bruciato
noun

The Italian word for burnt — used in pigment vocabulary for terra di Siena bruciata (burnt sienna) and terra d'ombra bruciata (burnt umber). Bruciato implies a color that has been concentrated by heat. The color refers to a Sienese bruciato-pigment: a warm, slightly muted deep orange-brown with the matte finish of fired iron-oxide pigment.

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.

#e17734
Original
#95852b
Protanopia
#af9d32
Deuteranopia
#f66069
Tritanopia
#898989
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
3.05:1
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
6.89:1

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