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Threadbare Amber

#63563a
Notes

Threadbare Amber (#63563A) is a deep 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 (41°, 26%, 31%) places it in the muted band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#63563a
RGB
rgb(99, 86, 58)
HSL
hsl(41, 26%, 31%)
HWB
hwb(41 23% 61%)
OKLCH
oklch(45.8% 0.045 85.7)
P3
color(display-p3 0.3798 0.3391 0.2411)
HSV
hsv(41, 41%, 39%)
LAB
lab(37.14% 0.83 18.27)
LCH
lch(37.14% 18.29 87.41)
CMYK
cmyk(0%, 13%, 41%, 61%)

Etymology

Threadbare
adjective

Old English thrǣd-bær, thread-bare — sharing root with thread. As a color modifier, threadbare implies a hushed-and-worn-and-faded quality, the hushed color of multi-decade farmhouse-and-cottage heavily-used-and-faded textile-and-rug surface where the warp shows through. Sits at the hushed-and-worn end of the grid, parallel to frayed and tattered in usage.

Amber
noun

Fossilized tree resin — pine and conifer sap that flowed sixty million years ago and slowly polymerized in Baltic and Dominican forests. The color refers to a polished cabochon of true Baltic amber: a warm, slightly translucent gold-orange with the depth of resin and the occasional inclusion of trapped insects. Softer than honey, deeper than topaz, with the mineral light of a fossil that still feels organic.

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.

#63563a
Original
#5d5538
Protanopia
#60593b
Deuteranopia
#69514f
Tritanopia
#575757
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).
AAAon White
7.19:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.92:1

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
##63563A
Display P3
Display P3
color(display-p3 0.3798 0.3391 0.2411)
Inside sRGBOKLCH chroma 0.045

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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