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Useful Khaki

#f1dd88
Notes

Useful Khaki (#F1DD88) is a soft 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 (49°, 79%, 74%) places it in the highly saturated band at a light 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
#f1dd88
RGB
rgb(241, 221, 136)
HSL
hsl(49, 79%, 74%)
HWB
hwb(49 53% 5%)
OKLCH
oklch(89.6% 0.108 96.5)
HSV
hsv(49, 44%, 95%)
LAB
lab(88.06% -4.49 44.11)
LCH
lch(88.06% 44.34 95.81)
CMYK
cmyk(0%, 8%, 44%, 5%)

Etymology

Useful
adjective

Latin ūsus, use — adjectival suffix -ful. As a color modifier, useful implies a clear-and-purpose-serving quality where the hue carries the visual register of helpful-and-supporting design-element. Sits at the crisp-and-functional end of the grid, parallel to practical and serviceable in usage.

Khaki
noun

Hindi-Urdu khākī, dust-colored — adopted by the British Indian Army in the nineteenth century when colonial troops dyed their white uniforms with mud and tea to disappear into the landscape. The color is the dusty, slightly green-tinged tan of standard British khaki cloth: warmer than olive, drier than tan, with the institutional weight of a century of military uniforms.

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.

#f1dd88
Original
#edd981
Protanopia
#f2e08b
Deuteranopia
#ffd1c8
Tritanopia
#dbdbdb
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
1.36:1
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
15.44:1

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