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Healthful Tǔ

#ad711b
Notes

Healthful Tǔ (#AD711B) is a true amber with a warm character. It leans warm, pulling light toward red, orange, and yellow. Naturally inviting, it suits editorial and hospitality contexts. Its HSL profile (35°, 73%, 39%) 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
#ad711b
RGB
rgb(173, 113, 27)
HSL
hsl(35, 73%, 39%)
HWB
hwb(35 11% 32%)
OKLCH
oklch(59.8% 0.121 69.8)
P3
color(display-p3 0.6445 0.4535 0.1866)
HSV
hsv(35, 84%, 68%)
LAB
lab(52.70% 16.96 52.99)
LCH
lch(52.70% 55.64 72.25)
CMYK
cmyk(0%, 35%, 84%, 32%)

Etymology

Healthful
adjective

Old English hǣlth, health — adjectival suffix -ful. As a color modifier, healthful implies a clear-and-vital-and-wholesome quality where the hue carries the visual register of fresh-air-and-sunlight outdoor health-promoting environment. Sits at the crisp-and-wholesome end of the grid, parallel to salubrious and wholesome in usage.

noun

The Chinese word for earth — the warm yellow-tan of loess soils that defined the cradle of Chinese civilization in the Yellow River valley. Tǔhuáng (earth-yellow) refers specifically to the loess deposits visible in the soil profile of Shaanxi and Gansu. The color refers to fresh loess in late-autumn light: a soft, slightly muted warm yellow-tan with the matte finish of fine wind-blown sediment.

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.

#ad711b
Original
#857506
Protanopia
#93831e
Deuteranopia
#bd6261
Tritanopia
#787878
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
4.07:1
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
5.15:1

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
##AD711B
Display P3
Display P3
color(display-p3 0.6445 0.4535 0.1866)
P3 has subtle headroomOKLCH chroma 0.121

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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