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Gladiatorial Turmeric

#c5640b
Notes

Gladiatorial Turmeric (#C5640B) 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 (29°, 89%, 41%) 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
#c5640b
RGB
rgb(197, 100, 11)
HSL
hsl(29, 89%, 41%)
HWB
hwb(29 4% 23%)
OKLCH
oklch(60.7% 0.150 53.5)
HSV
hsv(29, 94%, 77%)
LAB
lab(52.96% 34.03 59.06)
LCH
lch(52.96% 68.16 60.05)
CMYK
cmyk(0%, 49%, 94%, 23%)

Etymology

Gladiatorial
adjective

Latin gladiātōrius, of the gladiator — adjectival suffix, derived from gladius (short-sword). As a color modifier, gladiatorial implies a saturated-and-combative-and-bloody quality, the deep-rich color of Roman-Colosseum gladiator-arena bloody-tunic-and-shield combat-attire. Sits at the bold-and-formal end of the grid, parallel to spartan and valiant.

Turmeric
noun

Curcuma longa, the rhizome that gives South and Southeast Asian curries their yellow-orange color and their anti-inflammatory reputation. The color refers to fresh-ground turmeric powder: a saturated, slightly red yellow-orange with the dusty finish of plant-derived pigment. Warmer than mustard, drier than saffron.

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.

#c5640b
Original
#817100
Protanopia
#988707
Deuteranopia
#d94e55
Tritanopia
#727272
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
4.04:1
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
5.20:1

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