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Useful Kansas

#f5ee9a
Notes

Useful Kansas (#F5EE9A) is a soft yellow with a pastel character. It reads calm and airy, with enough chroma to feel intentional rather than washed out. Its HSL profile (55°, 82%, 78%) 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
#f5ee9a
RGB
rgb(245, 238, 154)
HSL
hsl(55, 82%, 78%)
HWB
hwb(55 60% 4%)
OKLCH
oklch(93.6% 0.105 104.1)
P3
color(display-p3 0.9560 0.9343 0.6435)
HSV
hsv(55, 37%, 96%)
LAB
lab(92.97% -9.59 41.53)
LCH
lch(92.97% 42.62 103.00)
CMYK
cmyk(0%, 3%, 37%, 4%)

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.

Kansas
noun

The American Midwestern state — and the yellow of Kansas wheat at harvest, sunflower fields (Kansas is the Sunflower State), and the Yellow Brick Road of The Wonderful Wizard of Oz. Kansas refers to a Kansas wheat field at midsummer: a soft, slightly muted warm yellow-tan with the matte finish of ripening grain.

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.

#f5ee9a
Original
#fce894
Protanopia
#ffed9d
Deuteranopia
#ffe3d9
Tritanopia
#e9e9e9
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
1.19:1
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
17.58:1

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
##F5EE9A
Display P3
Display P3
color(display-p3 0.9560 0.9343 0.6435)
P3 has subtle headroomOKLCH chroma 0.105

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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