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Polite Sodiumlight

#645741
Notes

Polite Sodiumlight (#645741) 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 (38°, 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#645741
RGB
rgb(100, 87, 65)
HSL
hsl(38, 21%, 32%)
HWB
hwb(38 25% 61%)
OKLCH
oklch(46.3% 0.038 80.6)
P3
color(display-p3 0.3837 0.3430 0.2653)
HSV
hsv(38, 35%, 39%)
LAB
lab(37.68% 1.63 14.76)
LCH
lch(37.68% 14.85 83.68)
CMYK
cmyk(0%, 13%, 35%, 61%)

Etymology

Polite
adjective

Latin polītus, polished — sharing root with polish. As a color modifier, polite implies a hushed-and-courteous-and-restrained quality where the hue carries the visual register of Edwardian-period courteous-and-formal-and-restrained interior-decoration. Sits at the hushed-and-restrained end of the grid, parallel to demure and discreet 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.

#645741
Original
#5d5740
Protanopia
#605a42
Deuteranopia
#6a5351
Tritanopia
#585858
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
7.04:1
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
2.98:1

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
##645741
Display P3
Display P3
color(display-p3 0.3837 0.3430 0.2653)
Inside sRGBOKLCH chroma 0.038

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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