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Coruscating Haldi

#efc340
Notes

Coruscating Haldi (#EFC340) is a true amber 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 (45°, 85%, 59%) 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 blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#efc340
RGB
rgb(239, 195, 64)
HSL
hsl(45, 85%, 59%)
HWB
hwb(45 25% 6%)
OKLCH
oklch(83.4% 0.150 89.5)
HSV
hsv(45, 73%, 94%)
LAB
lab(80.60% 2.88 67.96)
LCH
lch(80.60% 68.02 87.57)
CMYK
cmyk(0%, 18%, 73%, 6%)

Etymology

Coruscating
adjective

Latin coruscāns, flashing — present-participle of coruscāre. As a color modifier, coruscating implies a saturated-and-rapidly-flashing quality, the bright color of lightning-strike atmospheric-electrical-discharge against the night-sky. Sits at the bright-and-flashing end of the grid, parallel to flashing and flickering in usage.

Haldi
noun

The Hindi word for turmeric — the South Asian spice and ceremonial pigment used in Hindu haldi pre-wedding rituals and in gor-haldi (turmeric milk). The color refers to fresh haldi paste applied to skin in a wedding ritual: a saturated, slightly red-shifted yellow with the dusty finish of fresh-ground rhizome. Warmer than turmeric.

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.

#efc340
Original
#d9c12b
Protanopia
#e4cd47
Deuteranopia
#ffb2a9
Tritanopia
#c3c3c3
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
1.67:1
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
12.55:1

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