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Recognised as Colour

#81AA2F

  • #81AA2F
  • Green
  • Dark
  • Nearest: Olivedrab

#81AA2F is a green with RGB values 129, 170, 47 and HSL 80°, 57%, 43%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Olivedrab.

Colour values

#81AA2F#81AA2F
HEX#81AA2F
RGBrgb(129, 170, 47)
RGB (0–1)0.5059, 0.6667, 0.1843
RGB percentages50.6%, 66.7%, 18.4%
HSLhsl(80, 56.7%, 42.5%)
HSV / HSBhsv(80, 72.4%, 66.7%)
CMYK24.1%, 0%, 72.4%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,497,711
CSS custom property--colour: #81AA2F;

Brightness & contrast

Relative luminance0.33622WCAG 2.x, 0 is black and 1 is white
Perceived brightness149 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.72:1
Contrast with white2.72:1WCAG normal text: Fail
Contrast with black7.72:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#7E55D0

Colour vision & accessibility

Protanopia#B39E19no red cones; affects about 1% of men; ΔE 28.1 from the original
Deuteranopia#AD9C3Ano green cones; the most common form, about 1% of men; ΔE 26.8 from the original
Tritanopia#86A292no blue cones; rare, and affects men and women equally; ΔE 53.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.72:1WCAG large text: Fail
Contrast with black, large text7.72:1WCAG large text: AAA

Named colours

Nearest named CSS colourOlivedrab (#6B8E23)ΔE 12.19, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#582FAA
Analogous#AA952F, #44AA2F
Triadic#2F81AA, #AA2F81
Split complementary#2F43AA, #952FAA
Tetradic#2FAA96, #582FAA, #AA2F44

Tints, shades & saturation

Lighter +40%#DBECB9
Lighter +30%#C6E191
Lighter +20%#B2D669
Lighter +10%#9DCB41
Darker −10%#638224
Darker −20%#445A19
Darker −30%#26320E
Darker −40%#080A03
More saturated +25%#8AC514
Less saturated −25%#788F4A

Channel breakdown

R129
G170
B47
Red129 (50.6%)
Green170 (66.7%)
Blue47 (18.4%)
Hue80°
Saturation (HSL)56.68%
Lightness42.55%
Dominant channelGreen
Hex per channelR 81 · G AA · B 2F

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Every value on this page was computed from “81aa2f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.