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Booming Butternut

#ca4d28
Notes

Booming Butternut (#CA4D28) is a true red with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (14°, 67%, 47%) 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#ca4d28
RGB
rgb(202, 77, 40)
HSL
hsl(14, 67%, 47%)
HWB
hwb(14 16% 21%)
OKLCH
oklch(58.3% 0.167 36.7)
HSV
hsv(14, 80%, 79%)
LAB
lab(49.52% 47.86 46.25)
LCH
lch(49.52% 66.56 44.01)
CMYK
cmyk(0%, 62%, 80%, 21%)

Etymology

Booming
adjective

Imitative-onomatopoeic origin — present-participle of boom, sharing root with Dutch bommen. As a color modifier, booming implies a saturated-and-loud-and-confident quality where the hue announces itself with full visual amplitude. Sits at the bold-and-resonant end of the grid, parallel to resounding and thunderous.

Butternut
noun

Cucurbita moschata — the cream-skinned, orange-fleshed squash that became the dominant winter cultivar across North American kitchens in the late twentieth century. The color refers to roasted butternut flesh: a soft, slightly red yellow-orange with the matte finish of cooked squash. Cooler than kabocha, warmer than cantaloupe.

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.

#ca4d28
Original
#716423
Protanopia
#8f8023
Deuteranopia
#de2d46
Tritanopia
#656565
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
4.56:1
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
4.60:1

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