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Frank Comfrey

#446e10
Notes

Frank Comfrey (#446E10) is a deep lime 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 (87°, 75%, 25%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#446e10
RGB
rgb(68, 110, 16)
HSL
hsl(87, 75%, 25%)
HWB
hwb(87 6% 57%)
OKLCH
oklch(48.9% 0.127 131.8)
HSV
hsv(87, 85%, 43%)
LAB
lab(41.87% -29.84 43.22)
LCH
lch(41.87% 52.52 124.62)
CMYK
cmyk(38%, 0%, 85%, 57%)

Etymology

Frank
adjective

From the Old French franc, free, sincere — used as a color modifier since the seventeenth century for hues that read as direct and unhedged. Frank red, frank brown: moderate-to-high saturation combined with optical directness. Sits at the crisp-bucket alongside direct and honest.

Comfrey
noun

Symphytum officinale, the European medicinal plant whose green leaves and root were used in traditional European bone-setting and wound treatment — also known as boneset or knitbone. Comfrey color refers to fresh comfrey leaves on a hedge bank: a soft, slightly muted gray-green with the matte finish of pubescent leaf surface. Cooler than nettle.

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.

#446e10
Original
#736500
Protanopia
#6d621b
Deuteranopia
#45695d
Tritanopia
#5e5e5e
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).
AAon White
6.03:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.48:1

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