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Aflame Hardal

#99b619
Notes

Aflame Hardal (#99B619) is a true yellow with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (71°, 76%, 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 indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#99b619
RGB
rgb(153, 182, 25)
HSL
hsl(71, 76%, 41%)
HWB
hwb(71 10% 29%)
OKLCH
oklch(72.9% 0.168 120.7)
HSV
hsv(71, 86%, 71%)
LAB
lab(69.68% -28.73 67.17)
LCH
lch(69.68% 73.06 113.16)
CMYK
cmyk(16%, 0%, 86%, 29%)

Etymology

Aflame
adjective

Old English on-flamme, on-fire. As a color modifier, aflame implies a saturated-and-burning-bright quality, the bright color of autumn-Maple-and-Oak peak-color deciduous-foliage and Bonfire-Night large-flame fire emission. Sits at the bright-and-warm end of the grid, parallel to flaming and blazing in usage.

Hardal
noun

The Turkish word for mustard — used both for the condiment and the slightly muted gold-yellow of the hardal sauces of Anatolian kitchens. The color refers to a fresh-mixed hardal paste: a saturated, slightly muted gold-yellow with the dusty finish of mustard-seed powder. The Turkish cousin of mustard.

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.

#99b619
Original
#c2ab00
Protanopia
#beaa2d
Deuteranopia
#a2ac9b
Tritanopia
#a4a4a4
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
2.32:1
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
9.06:1

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