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Energetic Sriracha

#f99537
Notes

Energetic Sriracha (#F99537) is a true orange 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 (29°, 94%, 60%) 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#f99537
RGB
rgb(249, 149, 55)
HSL
hsl(29, 94%, 60%)
HWB
hwb(29 22% 2%)
OKLCH
oklch(76.0% 0.158 59.2)
HSV
hsv(29, 78%, 98%)
LAB
lab(70.81% 30.80 62.41)
LCH
lch(70.81% 69.60 63.74)
CMYK
cmyk(0%, 40%, 78%, 2%)

Etymology

Energetic
adjective

Greek energētikós, active — derived from energeia (activity). As a color modifier, energetic implies a saturated-and-kinetic-and-active quality where the hue carries visual vibration and movement-suggestion that engages the eye dynamically. Sits at the bright-and-active end of the grid, parallel to dynamic and spirited in usage.

Sriracha
noun

The Thai chili-garlic sauce — named for the coastal town of Si Racha, popularized worldwide by Huy Fong's California-made rooster sauce. The color refers to a fresh-shaken bottle of Sriracha: a saturated, slightly red deep orange with the slight viscosity of vinegar-and-pepper paste. Warmer than tabasco.

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.

#f99537
Original
#b39f29
Protanopia
#cbb637
Deuteranopia
#ff7f82
Tritanopia
#a3a3a3
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
2.24:1
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
9.38:1

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