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Frantic Roselle

#f6474c
Notes

Frantic Roselle (#F6474C) 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 (358°, 91%, 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
#f6474c
RGB
rgb(246, 71, 76)
HSL
hsl(358, 91%, 62%)
HWB
hwb(358 28% 4%)
OKLCH
oklch(65.2% 0.211 23.8)
HSV
hsv(358, 71%, 96%)
LAB
lab(56.71% 66.12 36.97)
LCH
lch(56.71% 75.75 29.21)
CMYK
cmyk(0%, 71%, 69%, 4%)

Etymology

Frantic
adjective

Greek phrenitikós, frenzied — adjectival suffix, sharing root with phrenitis (delirium). As a color modifier, frantic implies a saturated-and-rushed-and-overactive quality, the bright color of Memphis-Group 1980s-design over-the-top saturated visual-rhythm. Sits at the bright-and-active end of the grid, parallel to frenetic and manic in usage.

Roselle
noun

Hibiscus sabdariffa, the tropical hibiscus whose dried calyxes brew the deep red sorrel tea sold across West Africa as bissap, in Egypt as karkadeh, and in the Caribbean as sorrel. The color refers to fresh roselle calyxes in hot water: a saturated, slightly cool deep red-pink with the optical complexity of anthocyanin-rich plant material. Cooler than coral.

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.

#f6474c
Original
#79704b
Protanopia
#a59646
Deuteranopia
#ff004b
Tritanopia
#6d6d6d
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
3.54:1
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
5.92:1

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