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Unblemished Tortoise

#aa8c56
Notes

Unblemished Tortoise (#AA8C56) is a true 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 (39°, 33%, 50%) places it in the balanced 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
#aa8c56
RGB
rgb(170, 140, 86)
HSL
hsl(39, 33%, 50%)
HWB
hwb(39 34% 33%)
OKLCH
oklch(65.6% 0.080 81.3)
P3
color(display-p3 0.6478 0.5534 0.3665)
HSV
hsv(39, 49%, 67%)
LAB
lab(59.87% 4.24 32.97)
LCH
lch(59.87% 33.24 82.68)
CMYK
cmyk(0%, 18%, 49%, 33%)

Etymology

Unblemished
adjective

Old French blesmir, to wound — negative-prefix un- plus past-participle of blemish. As a color modifier, unblemished implies a clear-and-flawless quality where the hue carries no defect or imperfection. Sits at the crisp-and-clean end of the grid, parallel to pristine and spotless in usage.

Tortoise
noun

The mottled brown-gold of Eretmochelys imbricata (hawksbill sea turtle) shell — used for combs, eyeglass frames, and ornamental boxes from Roman times until the species was protected in 1973. The color refers to a polished tortoiseshell comb: a warm, slightly translucent gold-brown with the optical complexity of layered keratin.

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.

#aa8c56
Original
#998c52
Protanopia
#a09358
Deuteranopia
#b6837f
Tritanopia
#8e8e8e
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).
AA Largeon White
3.18:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
6.59:1

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
##AA8C56
Display P3
Display P3
color(display-p3 0.6478 0.5534 0.3665)
P3 has subtle headroomOKLCH chroma 0.080

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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