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Refulgent Flame

#e78022
Notes

Refulgent Flame (#E78022) is a true orange with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (29°, 80%, 52%) 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#e78022
RGB
rgb(231, 128, 34)
HSL
hsl(29, 80%, 52%)
HWB
hwb(29 13% 9%)
OKLCH
oklch(70.0% 0.159 56.3)
P3
color(display-p3 0.8519 0.5223 0.2317)
HSV
hsv(29, 85%, 91%)
LAB
lab(63.79% 33.75 63.03)
LCH
lch(63.79% 71.50 61.83)
CMYK
cmyk(0%, 45%, 85%, 9%)

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.

Flame
noun

The luminous combustion zone of a fire — the visible portion of incandescent gas, where temperature determines color. The orange of a wood flame sits around 1,100°C; hotter and it shifts to yellow, hotter still to white. The color is a saturated, slightly red orange with the suggestion of internal motion. Hotter than ember, brighter than rust, alive in a way pigment never quite captures.

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.

#e78022
Original
#9f8c0b
Protanopia
#b7a421
Deuteranopia
#fd696f
Tritanopia
#8f8f8f
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).
Failon White
2.80:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
7.51:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##E78022
Display P3
Display P3
color(display-p3 0.8519 0.5223 0.2317)
P3 has subtle headroomOKLCH chroma 0.159

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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