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Pulsing Etrusca

#f5b737
Notes

Pulsing Etrusca (#F5B737) is a true amber 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 (40°, 90%, 59%) 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
#f5b737
RGB
rgb(245, 183, 55)
HSL
hsl(40, 90%, 59%)
HWB
hwb(40 22% 4%)
OKLCH
oklch(81.6% 0.152 80.9)
HSV
hsv(40, 78%, 96%)
LAB
lab(78.20% 11.32 69.16)
LCH
lch(78.20% 70.08 80.71)
CMYK
cmyk(0%, 25%, 78%, 4%)

Etymology

Pulsing
adjective

The progressive participle of pulse, to throb. Used as a color modifier for hues that read as if they were alternating between two states of luminance — the vibration of a high-saturation color against a contrasting background. Sits in the bright-bucket center alongside electric, with the implication of optical motion rather than static luminance.

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.

#f5b737
Original
#d0b81f
Protanopia
#dfc83d
Deuteranopia
#ffa59e
Tritanopia
#bbbbbb
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
1.79:1
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
11.71:1

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