Colour

#18211A

#18211A
Green
Dark
Nearest: Black

#18211A is a green with RGB values 24, 33, 26 and HSL 133°, 16%, 11%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#18211A#18211A

HEX#18211A

RGBrgb(24, 33, 26)

RGB (0–1)0.0941, 0.1294, 0.102

RGB percentages9.4%, 12.9%, 10.2%

HSLhsl(133.3, 15.8%, 11.2%)

HSV / HSBhsv(133.3, 27.3%, 12.9%)

CMYK27.3%, 0%, 21.2%, 87.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,581,338

CSS custom property--colour: #18211A;

Brightness & contrast

Relative luminance0.01356WCAG 2.x, 0 is black and 1 is white

Perceived brightness29.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.52:1

Contrast with white16.52:1WCAG normal text: AAA

Contrast with black1.27:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#E7DEE5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#211F1Ano red cones; affects about 1% of men; ΔE 5.7 from the original

Deuteranopia#201E1Ano green cones; the most common form, about 1% of men; ΔE 6 from the original

Tritanopia#17211Fno blue cones; rare, and affects men and women equally; ΔE 3.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.52:1WCAG large text: AAA

Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Black · ΔE 13.5 Dark slate grey · ΔE 21.7 Dim grey · ΔE 33.5 Gray · ΔE 42.5 Dark olivegreen · ΔE 42.9 Slate grey · ΔE 43.6

Nearest named CSS colourBlack (#000000)ΔE 13.52, a distinctly different colour

Hue familygreen

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#21181F

Analogous#1A2118, #18211F

Triadic#1A1821, #211A18

Split complementary#1F1821, #21181A

Tetradic#181A21, #21181F, #211F18

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#6F9678

Lighter +30%#587A60

Lighter +20%#435C49

Lighter +10%#2D3F31

Darker −10%#030303

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#112816

Less saturated −25%#1D1D1D

Channel breakdown

R24

G33

B26

Red24 (9.4%)

Green33 (12.9%)

Blue26 (10.2%)

Hue133.33°

Saturation (HSL)15.79%

Lightness11.18%

Dominant channelGreen

Hex per channelR 18 · G 21 · B 1A

Keep nerding

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#18211A

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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