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Warm Beam Moss

#517f34
Notes

Warm Beam Moss (#517F34) 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 (97°, 42%, 35%) 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
#517f34
RGB
rgb(81, 127, 52)
HSL
hsl(97, 42%, 35%)
HWB
hwb(97 20% 50%)
OKLCH
oklch(54.6% 0.117 135.0)
P3
color(display-p3 0.3581 0.4933 0.2428)
HSV
hsv(97, 59%, 50%)
LAB
lab(48.48% -29.90 35.27)
LCH
lch(48.48% 46.24 130.29)
CMYK
cmyk(36%, 0%, 59%, 50%)

Etymology

Warm
adjective

Old English wearm, of moderate heat — used as a color modifier since the medieval period for hues that read as containing red, orange, or yellow undertones. Warm gray, warm white: not necessarily a temperature, but the optical impression of a slight red-orange shift. Sits across the crisp and neutral buckets.

Beam
modifier

Old English bēam, tree-or-ray-of-light. As a color modifier, beam implies a focused-and-shaft-of-light quality, the visual register of lighthouse-and-cathedral-clerestory-beam hand-focused-and-shaft-of-light lighthouse-and-cathedral-clerestory-and-search-light beamed-and-focused-and-shaft-of-light surfaces under lighthouse-and-cathedral-clerestory-and-search-light coastal-headland-and-Gothic-nave-and-night-sky directed-light. Sits at the modifier-and-mood end of the grid, parallel to ray and gleam 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.

#517f34
Original
#84762c
Protanopia
#7d7239
Deuteranopia
#507a6f
Tritanopia
#707070
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
4.73:1
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
4.44:1

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
##517F34
Display P3
Display P3
color(display-p3 0.3581 0.4933 0.2428)
P3 has subtle headroomOKLCH chroma 0.117

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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