Tenebrous Boulder among the Collapsing

#152d21 RGB(21,45,33)

About this color

Tenebrous Boulder among the Collapsing reads as deep and moderate — a cyan tone recorded at #152d21, RGB(21, 45, 33).

#152d21RGB(21, 45, 33)

HSL 150° · 36% saturation · 13% lightness

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Psychology

Dark cyans feel aquatic and technical — deep ocean, industrial machinery, precision instruments.

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History

Cerulean, a blue-green pigment introduced in the nineteenth century, became important to Impressionist painters for capturing sky and water with unprecedented freshness.

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Design use

In practical terms, a deep cyan 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, combine this cyan with coral and warm white for a fresh, modern palette, or with deep navy and charcoal for a more serious, technical feel.

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Color Categories

Color formats

Name
Tenebrous Boulder among the Collapsing
HEX
#152d21
RGB
rgb(21,45,33)
RGB%
rgb(8.2%,17.6%,12.9%)
HSL
hsl(150,36%,13%)
HSV
hsv(150,53%,18%)
CMYK
cmyk(53,0,27,82)
LAB
lab(16,-13,5)
LCH
lch(16,14,159)
sRGB
(0.082,0.176,0.129)
HEX8
#152d21ff
CSS Name
Decimal
021045033

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Color variants

Color info

Lightness
13%
Saturation
36%
Hue
150°
Chroma
14
Temperature
WarmCool
Contrast Preview
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