colors
Back to gallery

Refulgent Akiq

#f54b33
Notes

Refulgent Akiq (#F54B33) 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 (7°, 91%, 58%) 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
#f54b33
RGB
rgb(245, 75, 51)
HSL
hsl(7, 91%, 58%)
HWB
hwb(7 20% 4%)
OKLCH
oklch(65.2% 0.210 31.2)
HSV
hsv(7, 79%, 96%)
LAB
lab(56.77% 63.43 50.43)
LCH
lch(56.77% 81.03 38.49)
CMYK
cmyk(0%, 69%, 79%, 4%)

Etymology

Refulgent
adjective

Latin refulgēns, shining-back — present-participle of refulgere, sharing root with fulgor (lightning). As a color modifier, refulgent implies a saturated-and-reflective-shining quality, the bright color of polished-bronze-and-armor reflective-surface mid-day-sun reflection. Sits at the bright-and-saturated end of the grid, parallel to effulgent and resplendent in usage.

Akiq
noun

The Arabic word for carnelian — the translucent red chalcedony seal-stone of the Islamic world, traditionally believed to deflect evil. Used for carved engagement rings, prayer-bead strands, and the seal-stones of Mughal court documents. The color refers to a polished akiq cabochon: a soft, slightly translucent red-orange with the warmth of iron-stained chalcedony. Warmer than carnelian, drier 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

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.

#f54b33
Original
#7d702f
Protanopia
#a7962b
Deuteranopia
#ff0047
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
5.94:1

Related Colors

Canvas