The Penumbral Cavern with Rusting

#645610 RGB(100,86,16)

About this color

The Penumbral Cavern with Rusting is rendered by screens as RGB(100, 86, 16) — a dark, vivid yellow hue.

#645610RGB(100, 86, 16)

HSL 50° · 72% saturation · 23% lightness

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Psychology

Dark yellows — ochres and golds — have carried associations of wealth, harvest, and endurance across centuries.

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History

Yellow ochre is one of the oldest pigments known — used in the Lascaux cave paintings over 17,000 years ago, it remains a staple of artists' palettes today.

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Design use

Practically speaking, this deep yellow is most at home 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

When it comes to colour harmony, combine this yellow with deep indigo for high-contrast drama, or with dusty sage and off-white for a palette of sunlit calm.

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Color formats

Name
The Penumbral Cavern with Rusting
HEX
#645610
RGB
rgb(100,86,16)
RGB%
rgb(39.2%,33.7%,6.3%)
HSL
hsl(50,72%,23%)
HSV
hsv(50,84%,39%)
CMYK
cmyk(0,14,84,61)
LAB
lab(37,-2,40)
LCH
lch(37,40,93)
sRGB
(0.392,0.337,0.063)
HEX8
#645610ff
CSS Name
Decimal
100086016

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Color variants

Color info

Lightness
23%
Saturation
72%
Hue
50°
Chroma
40
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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