The Penumbral Cavern in Rusting

#305640 RGB(48,86,64)

About this color

The Penumbral Cavern in Rusting presents itself as a dark, moderate green shade, sitting at #305640 in the 24-bit RGB space.

#305640RGB(48, 86, 64)

HSL 145° · 28% saturation · 26% 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

The pigment verdigris — a green formed by the corrosion of copper — was widely used in medieval manuscripts and early oil painting, despite its tendency to darken over time.

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Design use

In practical terms, a dark green like this works well as a grounding element in print design — covers, footers, section dividers. On screen it suits dashboards and interfaces where a serious tone matters.

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Colour pairings

In terms of colour combinations, 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
The Penumbral Cavern in Rusting
HEX
#305640
RGB
rgb(48,86,64)
RGB%
rgb(18.8%,33.7%,25.1%)
HSL
hsl(145,28%,26%)
HSV
hsv(145,44%,34%)
CMYK
cmyk(44,0,26,66)
LAB
lab(33,-19,9)
LCH
lch(33,21,155)
sRGB
(0.188,0.337,0.251)
HEX8
#305640ff
CSS Name
Decimal
048086064

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Color variants

Color info

Lightness
26%
Saturation
28%
Hue
145°
Chroma
21
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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