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Resounding Cinnamon

#b64204
Notes

Resounding Cinnamon (#B64204) is a true orange with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (21°, 96%, 36%) 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b64204
RGB
rgb(182, 66, 4)
HSL
hsl(21, 96%, 36%)
HWB
hwb(21 2% 29%)
OKLCH
oklch(53.4% 0.162 41.2)
HSV
hsv(21, 98%, 71%)
LAB
lab(44.02% 44.82 53.80)
LCH
lch(44.02% 70.02 50.21)
CMYK
cmyk(0%, 64%, 98%, 29%)

Etymology

Resounding
adjective

Latin resonāre, to echo back — present-participle of resound. As a color modifier, resounding implies a saturated-and-echoing-and-imposing quality where the hue reverberates visually like a cathedral-bell ring. Sits at the bold-and-resonant end of the grid, parallel to resonant and booming in usage.

Cinnamon
noun

The inner bark of Cinnamomum verum, the Sri Lankan true cinnamon — harvested in thin scrolls and dried into the curled quills familiar from spice shelves. The color is freshly ground cinnamon powder: a warm, slightly dusty red-brown that sits between rust and cocoa. Warmer than walnut, drier than caramel, with the resinous warmth of a spice that has driven trade routes since the Roman Empire.

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.

#b64204
Original
#645800
Protanopia
#817200
Deuteranopia
#c92039
Tritanopia
#565656
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
5.57:1
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
3.77:1

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