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Glittering Tortoise

#d38d03
Notes

Glittering Tortoise (#D38D03) is a true amber with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (40°, 97%, 42%) places it in the highly saturated band at a mid 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
#d38d03
RGB
rgb(211, 141, 3)
HSL
hsl(40, 97%, 42%)
HWB
hwb(40 1% 17%)
OKLCH
oklch(69.7% 0.147 73.8)
P3
color(display-p3 0.7876 0.5649 0.1939)
HSV
hsv(40, 99%, 83%)
LAB
lab(64.09% 17.92 68.83)
LCH
lch(64.09% 71.12 75.40)
CMYK
cmyk(0%, 33%, 99%, 17%)

Etymology

Glittering
adjective

Old Norse glitra, to shine — present-participle of glitter. As a color modifier, glittering implies a saturated-and-multi-point-reflective quality, the bright color of sequined-and-rhinestone fabric-and-gem-decoration surfaces. Sits at the bright-and-reflective end of the grid, parallel to sparkling and glistening 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.

#d38d03
Original
#a69100
Protanopia
#b6a20f
Deuteranopia
#e77b78
Tritanopia
#929292
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).
Failon White
2.77:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
7.58:1

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
##D38D03
Display P3
Display P3
color(display-p3 0.7876 0.5649 0.1939)
P3 has subtle headroomOKLCH chroma 0.147

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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