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Heroic Kuchinashi

#d66c31
Notes

Heroic Kuchinashi (#D66C31) 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 (21°, 67%, 52%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#d66c31
RGB
rgb(214, 108, 49)
HSL
hsl(21, 67%, 52%)
HWB
hwb(21 19% 16%)
OKLCH
oklch(64.6% 0.151 46.8)
P3
color(display-p3 0.7856 0.4459 0.2486)
HSV
hsv(21, 77%, 84%)
LAB
lab(57.32% 37.71 50.27)
LCH
lch(57.32% 62.84 53.13)
CMYK
cmyk(0%, 50%, 77%, 16%)

Etymology

Heroic
adjective

Latin hēroicus, of a hero — derived from Greek hērōs. As a color modifier, heroic implies a saturated-and-monumental-and-victorious quality, the deep-rich color of Wagner-and-Sibelius late-Romantic-era musical-and-painterly heroic-mode. Sits at the bold-and-celebratory end of the grid, parallel to triumphant and valiant.

Kuchinashi
noun

Gardenia jasminoides — the gardenia plant, whose dried fruit yields a yellow-orange dye used in Japanese textile and food coloring (yellow rice, pickled radish). Kuchinashi-iro refers to a soft, slightly muted gold-orange. The color is kuchinashi-dyed silk: a warm, slightly muted yellow-orange with the matte finish of plant-derived pigment. Cooler than saffron, drier 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.

#d66c31
Original
#8a7b29
Protanopia
#a4932f
Deuteranopia
#eb5560
Tritanopia
#7e7e7e
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
3.47:1
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
6.05:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##D66C31
Display P3
Display P3
color(display-p3 0.7856 0.4459 0.2486)
P3 has subtle headroomOKLCH chroma 0.151

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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