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Luminous Kerala

#f18b2e
Notes

Luminous Kerala (#F18B2E) 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 (29°, 87%, 56%) 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
#f18b2e
RGB
rgb(241, 139, 46)
HSL
hsl(29, 87%, 56%)
HWB
hwb(29 18% 5%)
OKLCH
oklch(73.2% 0.159 57.6)
HSV
hsv(29, 81%, 95%)
LAB
lab(67.55% 32.44 62.53)
LCH
lch(67.55% 70.45 62.58)
CMYK
cmyk(0%, 42%, 81%, 5%)

Etymology

Luminous
adjective

Latin lūminōsus, full of light — adjectival suffix -ous, derived from lūmen (light). As a color modifier, luminous implies a saturated-and-light-emitting quality where the hue carries internal-glow visual register. Sits at the bright-and-saturated end of the grid, parallel to radiant and resplendent in usage.

Kerala
noun

The southern Indian state — and the saffron-orange of Hindu kavi (ascetic) robes worn by Sannyasi monks across Kerala temples. The color refers to a kavi-dyed cotton robe: a saturated, slightly muted deep orange with the matte finish of Crocus-and-turmeric dye. Drier than saffron, deeper than kashaya, with the religious weight of an unbroken monastic tradition.

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.

#f18b2e
Original
#aa961e
Protanopia
#c2ae2e
Deuteranopia
#ff7479
Tritanopia
#9a9a9a
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
2.48:1
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
8.47:1

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