Calm Arch under the Spanning

#518d21 RGB(81,141,33)

About this color

Calm Arch under the Spanning is rendered by screens as RGB(81, 141, 33) — a dark, vivid green hue.

#518d21RGB(81, 141, 33)

HSL 93° · 62% saturation · 34% lightness

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Psychology

Dark greens evoke dense forests, institution and permanence — think library walls, old maps, and military insignia.

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History

Scheele's Green, an arsenic-based pigment popular in Victorian wallpaper and clothing, is now understood to have caused widespread harm — a cautionary chapter in colour history.

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Design use

Practically speaking, this deep green is most at home as a background for light-coloured text, as a deep accent stripe, or as an anchoring tone in dark-mode interfaces. It pairs naturally with off-whites, warm creams, and metallic highlights.

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Colour pairings

When it comes to colour harmony, for a natural palette, combine this green with terracotta, ochre, and warm cream. For a bolder approach, its complement — a warm red-magenta — creates immediate impact.

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Color Categories

Color formats

Name
Calm Arch under the Spanning
HEX
#518d21
RGB
rgb(81,141,33)
RGB%
rgb(31.8%,55.3%,12.9%)
HSL
hsl(93,62%,34%)
HSV
hsv(93,77%,55%)
CMYK
cmyk(43,0,77,45)
LAB
lab(53,-38,48)
LCH
lch(53,61,128)
sRGB
(0.318,0.553,0.129)
HEX8
#518d21ff
CSS Name
Decimal
081141033

Similar colors

Color variants

Color info

Lightness
34%
Saturation
62%
Hue
93°
Chroma
61
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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