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Effervescent Burlap

#ca9f2b
Notes

Effervescent Burlap (#CA9F2B) is a true amber with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (44°, 65%, 48%) 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
#ca9f2b
RGB
rgb(202, 159, 43)
HSL
hsl(44, 65%, 48%)
HWB
hwb(44 17% 21%)
OKLCH
oklch(72.3% 0.135 86.9)
HSV
hsv(44, 79%, 79%)
LAB
lab(67.67% 5.06 62.02)
LCH
lch(67.67% 62.23 85.34)
CMYK
cmyk(0%, 21%, 79%, 21%)

Etymology

Effervescent
adjective

Latin effervēscēns, boiling-out — present-participle of effervesce, sharing root with fervere (to boil). As a color modifier, effervescent implies a saturated-and-bubbling-and-active quality, the bright color of Champagne-and-Prosecco effervescent-wine carbonation-bubble-light reflection. Sits at the bright-and-effervescent end of the grid, parallel to fizzy and sparkling in usage.

Burlap
noun

A coarse fabric woven from jute or hemp fiber — used historically for sacking, packing, and rough farm-clothing. The color refers to undyed natural burlap: a soft, slightly muted warm tan with the textured matte finish of bast-fiber weave. Drier than hemp, warmer than canvas.

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.

#ca9f2b
Original
#b39e13
Protanopia
#bdaa32
Deuteranopia
#db9089
Tritanopia
#a0a0a0
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).
Failon White
2.47:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
8.51:1

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Canvas