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Lively Calendula

#f18038
Notes

Lively Calendula (#F18038) 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 (23°, 87%, 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#f18038
RGB
rgb(241, 128, 56)
HSL
hsl(23, 87%, 58%)
HWB
hwb(23 22% 5%)
OKLCH
oklch(71.5% 0.162 49.7)
HSV
hsv(23, 77%, 95%)
LAB
lab(65.30% 38.43 56.30)
LCH
lch(65.30% 68.16 55.69)
CMYK
cmyk(0%, 47%, 77%, 5%)

Etymology

Lively
adjective

An adjectival form of life — used as a color word since the seventeenth century for hues that read as energetic. Lively coral, lively chartreuse: the implication is saturation combined with optical liveliness, the slight visual restlessness of a color that feels animated. Sits at the bright-bucket center.

Calendula
noun

Calendula officinalis, the pot marigold of medieval European herbal gardens — used as a saffron substitute in Renaissance kitchens and as a wound-healing salve in Victorian apothecaries. The color refers to a fully open Calendula flower: a saturated, slightly red yellow-orange with the matte finish of small ray-florets. Cooler than marigold, brighter than goldenrod.

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.

#f18038
Original
#a08f2e
Protanopia
#bba836
Deuteranopia
#ff6871
Tritanopia
#939393
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
2.66:1
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
7.88:1

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