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Patched Sodiumlight

#645b41
Notes

Patched Sodiumlight (#645B41) 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 (45°, 21%, 32%) 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 blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#645b41
RGB
rgb(100, 91, 65)
HSL
hsl(45, 21%, 32%)
HWB
hwb(45 25% 61%)
OKLCH
oklch(47.3% 0.041 91.2)
P3
color(display-p3 0.3862 0.3581 0.2668)
HSV
hsv(45, 35%, 39%)
LAB
lab(38.85% -0.78 16.34)
LCH
lch(38.85% 16.36 92.73)
CMYK
cmyk(0%, 9%, 35%, 61%)

Etymology

Patched
adjective

Old French pieche, patch — past-participle of patch. As a color modifier, patched implies a hushed-and-mended-and-multi-fabric quality, the hushed color of multi-decade farmhouse-and-cottage heavily-mended-and-patched textile-and-fabric surface. Sits at the hushed-and-worn end of the grid, parallel to mended and darned in usage.

Sodiumlight
noun

The amber light produced by sodium-vapor street lamps — the dominant nighttime urban color from the 1950s through the early 2000s, before LED retrofits. The color refers to a sodium-lit suburban street at night: a saturated, slightly red-shifted deep amber with the slight monochromaticity of sodium-D-line emission.

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.

#645b41
Original
#615a3f
Protanopia
#635d42
Deuteranopia
#695754
Tritanopia
#5b5b5b
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
6.74:1
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
3.11:1

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
##645B41
Display P3
Display P3
color(display-p3 0.3862 0.3581 0.2668)
Inside sRGBOKLCH chroma 0.041

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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