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Stamped Sunstone

#a45701
Notes

Stamped Sunstone (#A45701) is a deep orange with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (32°, 99%, 32%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#a45701
RGB
rgb(164, 87, 1)
HSL
hsl(32, 99%, 32%)
HWB
hwb(32 0% 36%)
OKLCH
oklch(53.8% 0.129 57.5)
HSV
hsv(32, 99%, 64%)
LAB
lab(45.24% 26.98 53.87)
LCH
lch(45.24% 60.25 63.40)
CMYK
cmyk(0%, 47%, 99%, 36%)

Etymology

Stamped
adjective

Old English stempan, to stamp — past-participle of stamp. As a color modifier, stamped implies a clear-and-impressed-and-repeating quality, the crisp color of William-Morris-and-Liberty-of-London block-printed-textile carefully-impressed pattern. Sits at the crisp-and-printed end of the grid, parallel to printed and engraved in usage.

Sunstone
noun

A feldspar variety with copper-mineral inclusions that scatter light into a flickering orange-red sheen. Mined principally in Oregon (the only US state with sunstone as official gem) and Norway. The color refers to a polished Oregon sunstone cabochon: a saturated, slightly red orange with the optical complexity of light scattering off internal copper plates. Warmer than citrine.

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

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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.

#a45701
Original
#6e6000
Protanopia
#817200
Deuteranopia
#b4454a
Tritanopia
#616161
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
5.33:1
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
3.94:1

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