colors
Back to gallery

Quiet Feast Moss

#639151
Notes

Quiet Feast Moss (#639151) is a true green with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (103°, 28%, 44%) places it in the muted band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary violet. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#639151
RGB
rgb(99, 145, 81)
HSL
hsl(103, 28%, 44%)
HWB
hwb(103 32% 43%)
OKLCH
oklch(60.7% 0.105 137.4)
P3
color(display-p3 0.4274 0.5638 0.3450)
HSV
hsv(103, 44%, 57%)
LAB
lab(55.58% -28.18 29.05)
LCH
lch(55.58% 40.47 134.13)
CMYK
cmyk(32%, 0%, 44%, 43%)

Etymology

Quiet
adjective

Latin quietus, at rest — used as a color modifier since the medieval period for hues that read as restrained. Quiet pink, quiet blue: low saturation combined with optical calmness. Sits across the crisp and hushed buckets where the color is present but doesn't ask for attention.

Feast
modifier

Latin festus, festal-day. As a color modifier, feast implies a celebratory-and-feast-day quality, the visual register of Christmas-and-Easter-Feast celebratory-and-feast-day liturgical-and-secular ceremonial-and-festal-banquet surfaces under feast-day candlelit-and-ceremonial-banquet light. Sits at the modifier-and-time end of the grid, parallel to yule and easter 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.

#639151
Original
#95884c
Protanopia
#8e8455
Deuteranopia
#618d81
Tritanopia
#838383
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).
AA Largeon White
3.68:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.70:1

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
##639151
Display P3
Display P3
color(display-p3 0.4274 0.5638 0.3450)
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.

Related Colors

Canvas