The Rustic Brook through Cooling

#51b52b RGB(81,181,43)

About this color

The Rustic Brook through Cooling settles into a medium-dark green territory with a vivid quality that feels neutral — captured at #51b52b, RGB(81, 181, 43).

#51b52bRGB(81, 181, 43)

HSL 103° · 62% saturation · 44% lightness

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Psychology

Mid greens feel natural and reassuring; they dominate brand identities associated with sustainability and health.

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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 design terms, a mid-toned green like this handles interactive elements, tags, badges, and highlight states. It has enough saturation to register clearly without straining extended-reading contexts.

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Colour pairings

Looking at colour relationships, this green complements red-violet shades for maximum contrast, but pairs more gently with sandy neutrals, warm whites, and wood tones.

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Color Categories

Color formats

Name
The Rustic Brook through Cooling
HEX
#51b52b
RGB
rgb(81,181,43)
RGB%
rgb(31.8%,71%,16.9%)
HSL
hsl(103,62%,44%)
HSV
hsv(103,76%,71%)
CMYK
cmyk(55,0,76,29)
LAB
lab(66,-53,57)
LCH
lch(66,78,133)
sRGB
(0.318,0.71,0.169)
HEX8
#51b52bff
CSS Name
Decimal
081181043

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Color variants

Color info

Lightness
44%
Saturation
62%
Hue
103°
Chroma
78
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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