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Recognised as Colour

#81B740

  • #81B740
  • Green
  • Dark
  • Nearest: Yellow green

#81B740 is a green with RGB values 129, 183, 64 and HSL 87°, 48%, 48%. It is a dark colour, so black text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#81B740#81B740
HEX#81B740
RGBrgb(129, 183, 64)
RGB (0–1)0.5059, 0.7176, 0.251
RGB percentages50.6%, 71.8%, 25.1%
HSLhsl(87.2, 48.2%, 48.4%)
HSV / HSBhsv(87.2, 65%, 71.8%)
CMYK29.5%, 0%, 65%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,501,056
CSS custom property--colour: #81B740;

Brightness & contrast

Relative luminance0.38904WCAG 2.x, 0 is black and 1 is white
Perceived brightness158.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.78:1
Contrast with white2.39:1WCAG normal text: Fail
Contrast with black8.78:1WCAG normal text: AAA
Greyscale equivalent#A3A3A3
Inverted#7E48BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BFAA31no red cones; affects about 1% of men; ΔE 32.3 from the original
Deuteranopia#B8A649no green cones; the most common form, about 1% of men; ΔE 31.9 from the original
Tritanopia#84AF9Eno blue cones; rare, and affects men and women equally; ΔE 52.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.39:1WCAG large text: Fail
Contrast with black, large text8.78:1WCAG large text: AAA

Named colours

Yellow green · ΔE 15.7Olivedrab · ΔE 16.7Forest green · ΔE 23.6Light green · ΔE 25.9Green · ΔE 27.2Pale green · ΔE 28.8
Nearest named CSS colourYellow green (#9ACD32)ΔE 15.73, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7640B7
Analogous#B7B240, #46B740
Triadic#4081B7, #B74081
Split complementary#4046B7, #B240B7
Tetradic#40B7B1, #7640B7, #B74045

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E3F0D3
Lighter +30%#CAE2AE
Lighter +20%#B2D588
Lighter +10%#9AC862
Darker −10%#669133
Darker −20%#4C6B26
Darker −30%#314618
Darker −40%#16200B
More saturated +25%#84D621
Less saturated −25%#7E985F

Channel breakdown

R129
G183
B64
Red129 (50.6%)
Green183 (71.8%)
Blue64 (25.1%)
Hue87.23°
Saturation (HSL)48.18%
Lightness48.43%
Dominant channelGreen
Hex per channelR 81 · G B7 · B 40

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Every value on this page was computed from “81b740” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.