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Neon Coral

#f3635f
Notes

Neon Coral (#F3635F) is a true red with a warm character. It leans warm, pulling light toward red, orange, and yellow. Naturally inviting, it suits editorial and hospitality contexts. Its HSL profile (2°, 86%, 66%) 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
#f3635f
RGB
rgb(243, 99, 95)
HSL
hsl(2, 86%, 66%)
HWB
hwb(2 37% 5%)
OKLCH
oklch(68.2% 0.178 24.6)
HSV
hsv(2, 61%, 95%)
LAB
lab(60.61% 55.07 30.92)
LCH
lch(60.61% 63.15 29.31)
CMYK
cmyk(0%, 59%, 61%, 5%)

Etymology

Neon
adjective

Greek néon, new — element-name (atomic-number 10), discovered by William Ramsay in 1898. As a color modifier, neon implies a saturated-and-electric-glow quality, the bright color of Las-Vegas-and-Times-Square neon-marquee gas-discharge-tube emission. Sits at the bright-and-electric end of the grid, parallel to electric and fluorescent in usage.

Coral
noun

Mediterranean Corallium rubrum — the red coral of antiquity, harvested from rocky reefs off Sardinia and North Africa for amulets, beads, and the lacquered ornaments that signaled wealth in Etruscan, Roman, and Tibetan culture alike. The color sits between rose and orange, warmer than salmon, softer than vermillion. A reef color and a flesh color at once.

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.

#f3635f
Original
#887f5e
Protanopia
#ac9e5b
Deuteranopia
#ff4763
Tritanopia
#818181
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
3.11:1
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
6.76:1

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