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Fiery Tyrol

#63b333
Notes

Fiery Tyrol (#63B333) is a true lime with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (98°, 56%, 45%) 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
#63b333
RGB
rgb(99, 179, 51)
HSL
hsl(98, 56%, 45%)
HWB
hwb(98 20% 30%)
OKLCH
oklch(69.0% 0.179 136.2)
HSV
hsv(98, 72%, 70%)
LAB
lab(65.85% -46.45 54.78)
LCH
lch(65.85% 71.82 130.29)
CMYK
cmyk(45%, 0%, 72%, 30%)

Etymology

Fiery
adjective

Old English fȳr, fire — adjectival suffix -y. As a color modifier, fiery implies a saturated-and-bright-flaming quality, the bright color of autumn-foliage fall-color and forge-furnace hot-iron emission. Sits at the bright-and-warm end of the grid, parallel to flaming 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

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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.

#63b333
Original
#b9a41e
Protanopia
#af9e3f
Deuteranopia
#60ac9a
Tritanopia
#999999
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
2.62:1
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
8.03:1

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