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Lively Sunset

#f0584b
Notes

Lively Sunset (#F0584B) is a true red 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 (5°, 85%, 62%) 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#f0584b
RGB
rgb(240, 88, 75)
HSL
hsl(5, 85%, 62%)
HWB
hwb(5 29% 6%)
OKLCH
oklch(66.0% 0.190 28.2)
HSV
hsv(5, 69%, 94%)
LAB
lab(58.05% 57.66 38.87)
LCH
lch(58.05% 69.54 33.98)
CMYK
cmyk(0%, 63%, 69%, 6%)

Etymology

Lively
adjective

An adjectival form of life — used as a color word since the seventeenth century for hues that read as energetic. Lively coral, lively chartreuse: the implication is saturation combined with optical liveliness, the slight visual restlessness of a color that feels animated. Sits at the bright-bucket center.

Sunset
noun

The atmospheric color at the moment the sun crosses the horizon — when sunlight travels through the longest column of atmosphere and short wavelengths scatter out, leaving the long-wavelength reds and oranges. The color refers to the western horizon at sunset on a clear summer evening: a saturated, slightly red orange with the optical brightness of forward-scattered solar light. Warmer than dusk.

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.

#f0584b
Original
#817749
Protanopia
#a79846
Deuteranopia
#ff3356
Tritanopia
#777777
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).
AA Largeon White
3.39:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
6.20:1

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