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Basic Aluminum

#67594f
Notes

Basic Aluminum (#67594F) is a true orange 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 (25°, 13%, 36%) places it in the muted 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
#67594f
RGB
rgb(103, 89, 79)
HSL
hsl(25, 13%, 36%)
HWB
hwb(25 31% 60%)
OKLCH
oklch(47.5% 0.024 57.6)
P3
color(display-p3 0.3949 0.3510 0.3147)
HSV
hsv(25, 23%, 40%)
LAB
lab(38.89% 3.92 7.89)
LCH
lch(38.89% 8.81 63.58)
CMYK
cmyk(0%, 14%, 23%, 60%)

Etymology

Basic
adjective

Greek básis, base / step — adjectival suffix -ic. As a color modifier, basic implies a neutral-and-fundamental-and-uncomplicated quality where the hue carries the visual register of Bauhaus-and-Mondrian-De-Stijl fundamental-and-base-color uncomplicated-essential-element. Sits at the neutral-and-foundational end of the grid, parallel to fundamental and foundational in usage.

Aluminum
noun

Latin alumen, alum — the cool-mid-gray light-metal used in mid-20th-century aerospace-and-architectural manufacturing, particularly the Boeing-707 and Caudron-C600 aircraft-skin manufacturing. Aluminum color refers to a freshly rolled Alclad-2024 aircraft-aluminum sheet face in raking light: a balanced cool gray with the metallic finish of aluminum-magnesium-zinc aerospace-alloy hand-rolled sheet metal.

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.

#67594f
Original
#5d5a4e
Protanopia
#605d4f
Deuteranopia
#6c5656
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
6.73:1
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
3.12:1

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
##67594F
Display P3
Display P3
color(display-p3 0.3949 0.3510 0.3147)
Inside sRGBOKLCH chroma 0.024

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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