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Pulsing Padparadscha

#ef7b1e
Notes

Pulsing Padparadscha (#EF7B1E) is a true orange 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 (27°, 87%, 53%) 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
#ef7b1e
RGB
rgb(239, 123, 30)
HSL
hsl(27, 87%, 53%)
HWB
hwb(27 12% 6%)
OKLCH
oklch(70.3% 0.171 52.3)
HSV
hsv(27, 87%, 94%)
LAB
lab(63.85% 39.42 64.81)
LCH
lch(63.85% 75.86 58.69)
CMYK
cmyk(0%, 49%, 87%, 6%)

Etymology

Pulsing
adjective

The progressive participle of pulse, to throb. Used as a color modifier for hues that read as if they were alternating between two states of luminance — the vibration of a high-saturation color against a contrasting background. Sits in the bright-bucket center alongside electric, with the implication of optical motion rather than static luminance.

Padparadscha
noun

A rare orange-pink variety of sapphire — corundum colored by trace chromium and iron in just the right balance. The name traces to the Sinhalese padma raga, lotus flower. Mined principally in Sri Lanka. The color refers to a faceted padparadscha: a saturated, slightly pink orange with the gem's signature internal life. Cooler 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.

#ef7b1e
Original
#9d8a03
Protanopia
#b9a51b
Deuteranopia
#ff616a
Tritanopia
#8d8d8d
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
2.79:1
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
7.52:1

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