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Sparkling Rubellite

#f36458
Notes

Sparkling Rubellite (#F36458) 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°, 87%, 65%) 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
#f36458
RGB
rgb(243, 100, 88)
HSL
hsl(5, 87%, 65%)
HWB
hwb(5 35% 5%)
OKLCH
oklch(68.2% 0.178 27.5)
HSV
hsv(5, 64%, 95%)
LAB
lab(60.67% 54.19 34.93)
LCH
lch(60.67% 64.47 32.81)
CMYK
cmyk(0%, 59%, 64%, 5%)

Etymology

Sparkling
adjective

Old English spearca, spark — present-participle of sparkle. As a color modifier, sparkling implies a saturated-and-multi-point-reflective-and-effervescent quality, the bright color of Champagne-and-Prosecco effervescent-wine carbonation-bubble-light reflection. Sits at the bright-and-reflective end of the grid, parallel to glittering and fizzy in usage.

Rubellite
noun

A red variety of tourmaline — colored by manganese impurities and mined principally in Brazil, Mozambique, and Madagascar. The color refers to a faceted rubellite: a saturated, slightly cool red-pink with the gem's signature internal warmth. Cooler than ruby, brighter than rhodolite.

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.

#f36458
Original
#897f56
Protanopia
#ad9e54
Deuteranopia
#ff4762
Tritanopia
#828282
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
3.10:1
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
6.77:1

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