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Plain Monk Moss

#588b36
Notes

Plain Monk Moss (#588B36) is a true lime 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 (96°, 44%, 38%) places it in the balanced 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 indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#588b36
RGB
rgb(88, 139, 54)
HSL
hsl(96, 44%, 38%)
HWB
hwb(96 21% 45%)
OKLCH
oklch(58.1% 0.129 134.7)
P3
color(display-p3 0.3902 0.5399 0.2575)
HSV
hsv(96, 61%, 55%)
LAB
lab(52.74% -32.71 39.27)
LCH
lch(52.74% 51.11 129.79)
CMYK
cmyk(37%, 0%, 61%, 45%)

Etymology

Plain
adjective

Latin planus, flat, level — used as a color modifier since the medieval period for hues that read as undecorated and direct. Plain white, plain blue: moderate saturation, no shift, no surface effect. Sits in the crisp-bucket center, with the implication of restraint rather than absence.

Monk
modifier

Latin monachus, solitary-religious-man. As a color modifier, monk implies a Cistercian-and-Benedictine-monastic quality, the visual register of Cistercian-and-Benedictine-Monk hand-spun robe-and-cowl-and-scapular Cistercian-and-Benedictine-and-Trappist-monastic surfaces under Cistercian-and-Benedictine-Trappist-monastic hand-spun-robe candlelit-cloister light. Sits at the modifier-and-cultural end of the grid, parallel to friar and nun 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.

#588b36
Original
#90812d
Protanopia
#897c3c
Deuteranopia
#578679
Tritanopia
#7a7a7a
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
4.07:1
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
5.16:1

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
##588B36
Display P3
Display P3
color(display-p3 0.3902 0.5399 0.2575)
P3 has subtle headroomOKLCH chroma 0.129

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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