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Invigorating Mandarine

#e66b3b
Notes

Invigorating Mandarine (#E66B3B) 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 (17°, 77%, 57%) 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
#e66b3b
RGB
rgb(230, 107, 59)
HSL
hsl(17, 77%, 57%)
HWB
hwb(17 23% 10%)
OKLCH
oklch(66.8% 0.165 40.8)
HSV
hsv(17, 74%, 90%)
LAB
lab(59.58% 44.77 48.55)
LCH
lch(59.58% 66.04 47.32)
CMYK
cmyk(0%, 53%, 74%, 10%)

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.

Mandarine
noun

The French word for mandarin — and a color traditionally distinguished from orange in French haute couture as a slightly warmer, more saturated red-orange. The color refers to a mandarine-dyed Parisian silk: a saturated, slightly red orange with the satin finish of dyed silk. The French cousin of mandarino.

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.

#e66b3b
Original
#8d7f35
Protanopia
#ab9a38
Deuteranopia
#fc5161
Tritanopia
#828282
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).
AA Largeon White
3.22:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
6.53:1

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