Umbral Boulder without Festering

#42454c RGB(66,69,76)

About this color

Umbral Boulder without Festering occupies the dark, achromatic end of the grey spectrum, defined by its coordinates #42454c — RGB(66, 69, 76).

#42454cRGB(66, 69, 76)

HSL 222° · 7% saturation · 28% lightness

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Psychology

Grey is the great mediator — it recedes, balances, and gives other colours room to speak.

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History

In Japanese aesthetics, the concept of wabi-sabi — finding beauty in imperfection and transience — finds natural expression in grey and near-neutral tones.

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Design use

Practically speaking, this deep grey 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, a classic approach: pair grey with white and one warm accent — navy, terracotta, or forest green — letting the grey hold the background while the accent carries meaning.

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Color Categories

Color formats

Name
Umbral Boulder without Festering
HEX
#42454c
RGB
rgb(66,69,76)
RGB%
rgb(25.9%,27.1%,29.8%)
HSL
hsl(222,7%,28%)
HSV
hsv(222,13%,30%)
CMYK
cmyk(13,9,0,70)
LAB
lab(29,0,-5)
LCH
lch(29,5,270)
sRGB
(0.259,0.271,0.298)
HEX8
#42454cff
CSS Name
Decimal
066069076

Similar colors

Color variants

Color info

Lightness
28%
Saturation
7%
Hue
222°
Chroma
5
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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