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Heritage Oro

#57503f
Notes

Heritage Oro (#57503F) 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 (42°, 16%, 29%) 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
#57503f
RGB
rgb(87, 80, 63)
HSL
hsl(42, 16%, 29%)
HWB
hwb(42 25% 66%)
OKLCH
oklch(43.3% 0.028 88.3)
P3
color(display-p3 0.3365 0.3147 0.2545)
HSV
hsv(42, 28%, 34%)
LAB
lab(34.24% -0.22 11.09)
LCH
lch(34.24% 11.09 91.16)
CMYK
cmyk(0%, 8%, 28%, 66%)

Etymology

Heritage
adjective

Latin hereditas, inheritance — used as a color modifier since the late twentieth century for hues that read as drawn from historical palettes. Heritage green, heritage red: moderate-to-low saturation combined with the optical impression of paint formulated to match a specific historical period. Sits at the hushed-bucket alongside antique.

Oro
noun

The Spanish and Italian word for gold — used in heraldic vocabulary, religious art, and fashion for the metallic warm yellow of Renaissance gilding. The color refers to a freshly gilded Spanish altarpiece: a saturated, slightly cool deep gold with the metallic finish of beaten gold leaf. The Romance-language cousin of jīn and kogane.

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.

#57503f
Original
#544f3e
Protanopia
#56513f
Deuteranopia
#5b4d4b
Tritanopia
#505050
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
8.00:1
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
2.62:1

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
##57503F
Display P3
Display P3
color(display-p3 0.3365 0.3147 0.2545)
Inside sRGBOKLCH chroma 0.028

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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