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Recognised as Colour

#2B4F37

  • #2B4F37
  • Green
  • Dark
  • Nearest: Dark slate grey

#2B4F37 is a green with RGB values 43, 79, 55 and HSL 140°, 30%, 24%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2B4F37#2B4F37
HEX#2B4F37
RGBrgb(43, 79, 55)
RGB (0–1)0.1686, 0.3098, 0.2157
RGB percentages16.9%, 31%, 21.6%
HSLhsl(140, 29.5%, 23.9%)
HSV / HSBhsv(140, 45.6%, 31%)
CMYK45.6%, 0%, 30.4%, 69%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,838,327
CSS custom property--colour: #2B4F37;

Brightness & contrast

Relative luminance0.06381WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.23:1
Contrast with white9.23:1WCAG normal text: AAA
Contrast with black2.28:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#D4B0C8

Colour vision & accessibility

Protanopia#4F4A36no red cones; affects about 1% of men; ΔE 17.8 from the original
Deuteranopia#494638no green cones; the most common form, about 1% of men; ΔE 17.8 from the original
Tritanopia#244E49no blue cones; rare, and affects men and women equally; ΔE 12.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.23:1WCAG large text: AAA
Contrast with black, large text2.28:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.83, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#4F2B43
Analogous#314F2B, #2B4F49
Triadic#372B4F, #4F372B
Split complementary#492B4F, #4F2B31
Tetradic#2B314F, #4F2B43, #4F492B

Tints, shades & saturation

Lighter +40%#88BE9A
Lighter +30%#67AC7E
Lighter +20%#4F9165
Lighter +10%#3D704E
Darker −10%#192E20
Darker −20%#070D09
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1C5E32
Less saturated −25%#3A403C

Channel breakdown

R43
G79
B55
Red43 (16.9%)
Green79 (31%)
Blue55 (21.6%)
Hue140°
Saturation (HSL)29.51%
Lightness23.92%
Dominant channelGreen
Hex per channelR 2B · G 4F · B 37

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Every value on this page was computed from “2b4f37” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.