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Incandescent Tyrol

#99bb18
Notes

Incandescent Tyrol (#99BB18) 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 (73°, 77%, 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
#99bb18
RGB
rgb(153, 187, 24)
HSL
hsl(73, 77%, 41%)
HWB
hwb(73 9% 27%)
OKLCH
oklch(74.1% 0.174 122.1)
P3
color(display-p3 0.6264 0.7294 0.2471)
HSV
hsv(73, 87%, 73%)
LAB
lab(71.13% -31.12 68.58)
LCH
lch(71.13% 75.31 114.41)
CMYK
cmyk(18%, 0%, 87%, 27%)

Etymology

Incandescent
adjective

Latin incandēscēns, growing-hot — present-participle of incandēscere, sharing root with candere (to shine). As a color modifier, incandescent implies a saturated-and-glowing-hot quality, the bright color of tungsten-filament-glow incandescent-lamp light. Sits at the bright-and-warm end of the grid, parallel to glowing and blazing in usage.

Tyrol
noun

The Alpine region split between Austria and northern Italy — and the deep green of Tyrolean Alpine pasture and the grün lederhosen of traditional Austrian dress. Tyrol color refers to a Tyrolean Alpine meadow in July: a saturated, slightly cool deep yellow-green with the matte finish of high-altitude wildflower-and-grass.

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.

#99bb18
Original
#c7af00
Protanopia
#c3ae2d
Deuteranopia
#a2b19f
Tritanopia
#a8a8a8
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
2.22:1
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
9.48:1

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
##99BB18
Display P3
Display P3
color(display-p3 0.6264 0.7294 0.2471)
P3 has subtle headroomOKLCH chroma 0.174

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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