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Fortified Chrome

#d36528
Notes

Fortified Chrome (#D36528) 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°, 68%, 49%) 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
#d36528
RGB
rgb(211, 101, 40)
HSL
hsl(21, 68%, 49%)
HWB
hwb(21 16% 17%)
OKLCH
oklch(63.0% 0.156 46.0)
HSV
hsv(21, 81%, 83%)
LAB
lab(55.39% 39.75 52.31)
LCH
lch(55.39% 65.70 52.76)
CMYK
cmyk(0%, 52%, 81%, 17%)

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.

Chrome
noun

Lead chromate (PbCrO₄) — the chrome orange pigment introduced in 1809, brilliant but heavily toxic and reactive. Largely replaced by cadmium pigments in the twentieth century. The color refers to a freshly mixed chrome-orange in a Victorian color-merchant's stock: a saturated, slightly red orange with the matte finish of lead-based pigment. Brighter than ochre.

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.

#d36528
Original
#84751f
Protanopia
#9f8e25
Deuteranopia
#e84c59
Tritanopia
#787878
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
3.71:1
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
5.66:1

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