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Frenetic Etrusca

#ef8e18
Notes

Frenetic Etrusca (#EF8E18) 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 (33°, 87%, 52%) 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
#ef8e18
RGB
rgb(239, 142, 24)
HSL
hsl(33, 87%, 52%)
HWB
hwb(33 9% 6%)
OKLCH
oklch(73.4% 0.162 62.6)
P3
color(display-p3 0.8849 0.5750 0.2284)
HSV
hsv(33, 90%, 94%)
LAB
lab(67.85% 29.54 69.48)
LCH
lch(67.85% 75.50 66.97)
CMYK
cmyk(0%, 41%, 90%, 6%)

Etymology

Frenetic
adjective

Greek phrenitikós, frenzied — adjectival suffix -ic, derived from phrēn (mind). As a color modifier, frenetic implies a saturated-and-frenzied-and-active quality, the bright color of Hyper-Color-and-Memphis-Group 1980s-design saturated-and-active visual-rhythm. Sits at the bright-and-active end of the grid, parallel to frantic and manic in usage.

Etrusca
noun

Of the Etruscans — the pre-Roman civilization of central Italy whose tomb paintings and bucchero pottery established a Mediterranean ochre-and-black color palette. Etrusca refers to a Tarquinian tomb painting's earth-pigment: a soft, slightly muted warm tan with the matte finish of iron-oxide pigment in lime plaster.

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.

#ef8e18
Original
#ac9800
Protanopia
#c3ae1a
Deuteranopia
#ff777a
Tritanopia
#9a9a9a
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
2.46:1
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
8.55:1

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
##EF8E18
Display P3
Display P3
color(display-p3 0.8849 0.5750 0.2284)
P3 has subtle headroomOKLCH chroma 0.162

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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