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Sterile Ginger

#a28a18
Notes

Sterile Ginger (#A28A18) is a true amber 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 (50°, 74%, 36%) 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 blue. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#a28a18
RGB
rgb(162, 138, 24)
HSL
hsl(50, 74%, 36%)
HWB
hwb(50 9% 36%)
OKLCH
oklch(63.7% 0.125 95.9)
P3
color(display-p3 0.6199 0.5446 0.1993)
HSV
hsv(50, 85%, 64%)
LAB
lab(57.97% -2.11 57.89)
LCH
lch(57.97% 57.93 92.09)
CMYK
cmyk(0%, 15%, 85%, 36%)

Etymology

Sterile
adjective

Latin sterilis, barren / not-fertile — sharing root with Greek steiros (barren). As a color modifier, sterile implies a clear-and-medical-clean-and-stripped quality, the crisp color of operating-theater surgical-environment white-and-stainless-steel surfaces. Sits at the crisp-and-clean end of the grid, parallel to sanitary and hygienic in usage.

Ginger
noun

Zingiber officinale, the rhizome of a Southeast Asian ginger plant cultivated since prehistoric times in Maritime Asia. The color refers to fresh ginger root after its papery skin is peeled: a warm, slightly pink-toned gold-tan that's lighter than honey and warmer than wheat. Also the human hair color called ginger in British English — the same word covering the rhizome, the spice, and the Celtic-coded redhead.

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.

#a28a18
Original
#998700
Protanopia
#a08e21
Deuteranopia
#b07e76
Tritanopia
#878787
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
3.40:1
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
6.18:1

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
##A28A18
Display P3
Display P3
color(display-p3 0.6199 0.5446 0.1993)
P3 has subtle headroomOKLCH chroma 0.125

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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