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Inflamed Curcuma

#99bb26
Notes

Inflamed Curcuma (#99BB26) 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 (74°, 66%, 44%) 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 indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#99bb26
RGB
rgb(153, 187, 38)
HSL
hsl(74, 66%, 44%)
HWB
hwb(74 15% 27%)
OKLCH
oklch(74.1% 0.169 122.4)
P3
color(display-p3 0.6264 0.7294 0.2696)
HSV
hsv(74, 80%, 73%)
LAB
lab(71.18% -30.66 65.24)
LCH
lch(71.18% 72.08 115.17)
CMYK
cmyk(18%, 0%, 80%, 27%)

Etymology

Inflamed
adjective

Latin inflammātus, set on fire — past-participle of inflame. As a color modifier, inflamed implies a saturated-and-irritated-hot quality, the bright color of sun-burnt-skin and autumn-leaf high-anthocyanin pigmentation. Sits at the bright-and-warm end of the grid, parallel to fiery and flaming in usage.

Curcuma
noun

The Linnaean genus name for turmeric — Curcuma longa — used in pigment vocabulary for the pure curcumin yellow extracted from the rhizome. Curcuma as a color refers specifically to the pigment isolated from C. longa: a saturated, slightly cool deep yellow with the matte finish of plant-derived pigment. The botanical-Latin cousin of haldi.

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.

#99bb26
Original
#c6af00
Protanopia
#c2ae36
Deuteranopia
#a1b1a0
Tritanopia
#a9a9a9
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
2.21:1
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
9.49:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##99BB26
Display P3
Display P3
color(display-p3 0.6264 0.7294 0.2696)
P3 has subtle headroomOKLCH chroma 0.169

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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