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Serviceable Fall Moss

#166c57
Notes

Serviceable Fall Moss (#166C57) is a deep teal 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 (165°, 66%, 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#166c57
RGB
rgb(22, 108, 87)
HSL
hsl(165, 66%, 25%)
HWB
hwb(165 9% 58%)
OKLCH
oklch(47.7% 0.085 171.9)
P3
color(display-p3 0.2004 0.4172 0.3454)
HSV
hsv(165, 80%, 42%)
LAB
lab(40.55% -30.11 4.74)
LCH
lch(40.55% 30.48 171.05)
CMYK
cmyk(80%, 0%, 19%, 58%)

Etymology

Serviceable
adjective

Latin servītium, service — adjectival suffix -able. As a color modifier, serviceable implies a clear-and-fit-for-purpose-and-durable quality where the hue carries the visual register of long-lasting-and-functional everyday-use design. Sits at the crisp-and-functional end of the grid, parallel to practical and utilitarian in usage.

Fall
modifier

Old English feallan, to fall / autumn. As a color modifier, fall implies an autumn-leaf-and-harvest quality, the visual register of New-England-and-English-autumn deciduous-leaf-fall maple-and-oak-and-beech autumnal-orange-and-crimson surfaces under Northern-Hemisphere autumn raking light. Sits at the modifier-and-time end of the grid, parallel to yule and reap in usage.

Moss
noun

Bryophyta — the nonvascular plants that colonized land 470 million years ago, before vascular plants and far before flowers. The color refers to a thick mat of Hypnum or sphagnum on a temperate forest floor: a soft, slightly yellow-shifted green with the velvet texture of millimeter-scale leaves. Dustier than fern, deeper than lichen, with the slow patience of a plant that lives by absorbing rain through its surface.

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.

#166c57
Original
#686456
Protanopia
#5d5c58
Deuteranopia
#006d66
Tritanopia
#585858
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
6.33:1
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
3.32:1

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
##166C57
Display P3
Display P3
color(display-p3 0.2004 0.4172 0.3454)
P3 has subtle headroomOKLCH chroma 0.085

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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