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Caffeinated Etrusca

#e3830a
Notes

Caffeinated Etrusca (#E3830A) 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°, 92%, 46%) 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
#e3830a
RGB
rgb(227, 131, 10)
HSL
hsl(33, 92%, 46%)
HWB
hwb(33 4% 11%)
OKLCH
oklch(69.9% 0.160 61.5)
P3
color(display-p3 0.8390 0.5321 0.1975)
HSV
hsv(33, 96%, 89%)
LAB
lab(63.83% 30.15 68.59)
LCH
lch(63.83% 74.93 66.27)
CMYK
cmyk(0%, 42%, 96%, 11%)

Etymology

Caffeinated
adjective

Modern French caféine — past-participle of caffeinate. As a color modifier, caffeinated implies a saturated-and-jumpy-and-active quality, the bright color of Red-Bull-and-Monster energy-drink-can label-design saturated-and-energizing palette. Sits at the bright-and-active end of the grid, parallel to jazzed and wired 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.

#e3830a
Original
#a18d00
Protanopia
#b8a30c
Deuteranopia
#f96d70
Tritanopia
#8f8f8f
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
2.79:1
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
7.52:1

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
##E3830A
Display P3
Display P3
color(display-p3 0.8390 0.5321 0.1975)
P3 has subtle headroomOKLCH chroma 0.160

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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