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Phosphorescent Loquat

#e57922
Notes

Phosphorescent Loquat (#E57922) 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 (27°, 79%, 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
#e57922
RGB
rgb(229, 121, 34)
HSL
hsl(27, 79%, 52%)
HWB
hwb(27 13% 10%)
OKLCH
oklch(68.6% 0.162 53.2)
HSV
hsv(27, 85%, 90%)
LAB
lab(62.04% 36.55 61.47)
LCH
lch(62.04% 71.52 59.26)
CMYK
cmyk(0%, 47%, 85%, 10%)

Etymology

Phosphorescent
adjective

Greek phōsphóros, light-bringer — adjectival suffix -escent. As a color modifier, phosphorescent implies a saturated-and-cool-glow-after-stimulation quality, the bright cool-green-blue color of Cu-doped-ZnS glow-in-the-dark photoluminescent surfaces. Sits at the bright-and-cool end of the grid, parallel to fluorescent and luminous in usage.

Loquat
noun

Eriobotrya japonica, the East Asian rosaceous fruit — cultivated in China, Japan, and southern Europe for its slightly tart yellow-orange drupes. The color refers to a ripe Mediterranean loquat in May: a soft, slightly red yellow-orange with the satin finish of stone-fruit flesh. Lighter than apricot, cooler than tangerine.

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.

#e57922
Original
#99870f
Protanopia
#b39f20
Deuteranopia
#fb6169
Tritanopia
#8a8a8a
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
2.96:1
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
7.09:1

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