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Useful Vermont

#cddf89
Notes

Useful Vermont (#CDDF89) is a soft yellow 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 (73°, 57%, 71%) places it in the balanced band at a light lightness. It works as a background wash, large-area fill, or soft illustration tone. Add a darker ink of the same hue when you need type over it. For a confident two-color system, pair it with its complementary indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#cddf89
RGB
rgb(205, 223, 137)
HSL
hsl(73, 57%, 71%)
HWB
hwb(73 54% 13%)
OKLCH
oklch(87.1% 0.112 118.4)
HSV
hsv(73, 39%, 87%)
LAB
lab(85.79% -19.37 40.14)
LCH
lch(85.79% 44.57 115.76)
CMYK
cmyk(8%, 0%, 39%, 13%)

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.

Vermont
noun

The American Northeast state — and the warm gold-yellow of Vermont sugar-maple foliage at peak fall color and Vermont Grade-A medium-amber maple syrup. Vermont refers to a Vermont Acer saccharum canopy in mid-October: a saturated, slightly red yellow-orange with the optical complexity of carotenoid-rich autumn leaves.

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.

#cddf89
Original
#e9d683
Protanopia
#e7d78d
Deuteranopia
#d5d6ca
Tritanopia
#d5d5d5
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
1.45:1
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
14.51:1

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