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Twinkling Tuscan

#a1a903
Notes

Twinkling Tuscan (#A1A903) is a deep yellow 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 (63°, 97%, 34%) 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 blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#a1a903
RGB
rgb(161, 169, 3)
HSL
hsl(63, 97%, 34%)
HWB
hwb(63 1% 34%)
OKLCH
oklch(70.5% 0.157 113.1)
P3
color(display-p3 0.6371 0.6617 0.2080)
HSV
hsv(63, 98%, 66%)
LAB
lab(66.49% -19.33 68.27)
LCH
lch(66.49% 70.95 105.81)
CMYK
cmyk(5%, 0%, 98%, 34%)

Etymology

Twinkling
adjective

Old English twinclian, to wink rapidly — present-participle of twinkle. As a color modifier, twinkling implies a saturated-and-rapid-flicker-reflective quality, the bright color of Christmas-fairy-light and night-sky-star atmospheric-scintillation. Sits at the bright-and-reflective end of the grid, parallel to sparkling and glittering in usage.

Tuscan
noun

Of Toscana, the central Italian region whose pale ochre stucco and warm terracotta roofs define a regional palette. The color Tuscan yellow refers to the limewash of Florentine and Sienese palazzo facades — a soft, slightly muted gold that's warmer than cream and lighter than honey. The pigment is the same iron-rich earth that gives sienna its name; mixed with lime, it ages to the patina of half a millennium.

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.

#a1a903
Original
#b7a000
Protanopia
#b7a31f
Deuteranopia
#ad9e8f
Tritanopia
#9b9b9b
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
2.56:1
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
8.19:1

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
##A1A903
Display P3
Display P3
color(display-p3 0.6371 0.6617 0.2080)
P3 has subtle headroomOKLCH chroma 0.157

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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