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Invigorating Trumpetvine

#fc6f37
Notes

Invigorating Trumpetvine (#FC6F37) 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 (17°, 97%, 60%) 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
#fc6f37
RGB
rgb(252, 111, 55)
HSL
hsl(17, 97%, 60%)
HWB
hwb(17 22% 1%)
OKLCH
oklch(70.6% 0.186 40.6)
HSV
hsv(17, 78%, 99%)
LAB
lab(63.63% 50.82 55.64)
LCH
lch(63.63% 75.36 47.59)
CMYK
cmyk(0%, 56%, 78%, 1%)

Etymology

Invigorating
adjective

Latin vigor, vigor — present-participle of invigorate, sharing root with vigil (watchfulness). As a color modifier, invigorating implies a saturated-and-life-giving-and-energizing quality where the hue increases visual-and-physical vitality. Sits at the bright-and-active end of the grid, parallel to stimulating and bracing in usage.

Trumpetvine
noun

Campsis radicans, the North American climbing vine whose bright orange-red trumpet flowers attract ruby-throated hummingbirds. The color refers to a fresh trumpetvine bloom in midsummer: a saturated, slightly red orange with the satin finish of long tubular flower. Brighter than nasturtium, warmer 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

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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.

#fc6f37
Original
#97862f
Protanopia
#b9a632
Deuteranopia
#ff4f64
Tritanopia
#898989
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
2.81:1
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
7.47:1

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