The Bluff without Sienna Opening

#40a912 RGB(64,169,18)

About this color

The Bluff without Sienna Opening settles into a medium-dark green territory with a intense quality that feels neutral — captured at #40a912, RGB(64, 169, 18).

#40a912RGB(64, 169, 18)

HSL 102° · 81% saturation · 37% lightness

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Psychology

In its deeper registers green suggests reliability, endurance, and a grounded relationship with nature.

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History

In Islamic art and architecture, green holds particular significance — associated with paradise, it appears throughout mosque decoration from Andalusia to Central Asia.

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Design use

From a design perspective, this shade excels as a primary background in dark themes, a strong border or divider, or a headline colour against a light surface. Combine with lighter tints of the same hue for a cohesive palette.

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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 formats

Name
The Bluff without Sienna Opening
HEX
#40a912
RGB
rgb(64,169,18)
RGB%
rgb(25.1%,66.3%,7.1%)
HSL
hsl(102,81%,37%)
HSV
hsv(102,89%,66%)
CMYK
cmyk(62,0,89,34)
LAB
lab(61,-54,60)
LCH
lch(61,81,132)
sRGB
(0.251,0.663,0.071)
HEX8
#40a912ff
CSS Name
Decimal
064169018

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Color variants

Color info

Lightness
37%
Saturation
81%
Hue
102°
Chroma
81
Temperature
WarmCool
Contrast Preview
The quick brown fox jumps over the lazy dog

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