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Fortified Kuchinashi

#cd3909
Notes

Fortified Kuchinashi (#CD3909) 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 (15°, 92%, 42%) 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
#cd3909
RGB
rgb(205, 57, 9)
HSL
hsl(15, 92%, 42%)
HWB
hwb(15 4% 20%)
OKLCH
oklch(56.4% 0.191 35.4)
HSV
hsv(15, 96%, 80%)
LAB
lab(46.88% 56.39 56.29)
LCH
lch(46.88% 79.68 44.95)
CMYK
cmyk(0%, 72%, 96%, 20%)

Etymology

Fortified
adjective

Latin fortificāre, to make strong — past-participle of fortify. As a color modifier, fortified implies a saturated-and-strengthened-and-defensive quality, the deep-rich color of Vauban-style military-fortification stone-and-earth rampart-and-bastion architecture. Sits at the bold-and-fortified end of the grid, parallel to bastioned and armored.

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

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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.

#cd3909
Original
#675a00
Protanopia
#8b7b00
Deuteranopia
#e20032
Tritanopia
#555555
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).
AAon White
5.02:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.19:1

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