colors
Back to gallery

Frank Spelt

#bb8a3d
Notes

Frank Spelt (#BB8A3D) is a true amber with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (37°, 51%, 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
#bb8a3d
RGB
rgb(187, 138, 61)
HSL
hsl(37, 51%, 49%)
HWB
hwb(37 24% 27%)
OKLCH
oklch(66.6% 0.111 75.9)
P3
color(display-p3 0.7041 0.5490 0.2921)
HSV
hsv(37, 67%, 73%)
LAB
lab(60.85% 10.77 47.28)
LCH
lch(60.85% 48.49 77.16)
CMYK
cmyk(0%, 26%, 67%, 27%)

Etymology

Frank
adjective

From the Old French franc, free, sincere — used as a color modifier since the seventeenth century for hues that read as direct and unhedged. Frank red, frank brown: moderate-to-high saturation combined with optical directness. Sits at the crisp-bucket alongside direct and honest.

Spelt
noun

Triticum spelta, the ancient wheat species cultivated in Europe since the Bronze Age — slowly returning to artisan baking after a century of displacement by modern wheat. The color refers to a fresh-baked spelt loaf: a soft, slightly muted warm tan with the slightly nuttier finish of ancient-grain flour.

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.

#bb8a3d
Original
#9c8c34
Protanopia
#a8983f
Deuteranopia
#cb7d79
Tritanopia
#8f8f8f
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
3.08:1
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
6.82:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##BB8A3D
Display P3
Display P3
color(display-p3 0.7041 0.5490 0.2921)
P3 has subtle headroomOKLCH chroma 0.111

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

Related Colors

Canvas