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Recognised as Colour

#81AE00

  • #81AE00
  • Green
  • Dark
  • Nearest: Yellow green

#81AE00 is a green with RGB values 129, 174, 0 and HSL 76°, 100%, 34%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#81AE00#81AE00
HEX#81AE00
RGBrgb(129, 174, 0)
RGB (0–1)0.5059, 0.6824, 0
RGB percentages50.6%, 68.2%, 0%
HSLhsl(75.5, 100%, 34.1%)
HSV / HSBhsv(75.5, 100%, 68.2%)
CMYK25.9%, 0%, 100%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,498,688
CSS custom property--colour: #81AE00;

Brightness & contrast

Relative luminance0.34939WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.99:1
Contrast with white2.63:1WCAG normal text: Fail
Contrast with black7.99:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#7E51FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B8A100no red cones; affects about 1% of men; ΔE 30.4 from the original
Deuteranopia#B29F21no green cones; the most common form, about 1% of men; ΔE 29.8 from the original
Tritanopia#87A593no blue cones; rare, and affects men and women equally; ΔE 64.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.63:1WCAG large text: Fail
Contrast with black, large text7.99:1WCAG large text: AAA

Named colours

Yellow green · ΔE 11.2Olivedrab · ΔE 21.8Olive · ΔE 28.3Forest green · ΔE 30.3Green · ΔE 30.7Limegreen · ΔE 33
Nearest named CSS colourYellow green (#9ACD32)ΔE 11.17, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2D00AE
Analogous#AE8400, #2AAE00
Triadic#0081AE, #AE0081
Split complementary#002AAE, #8400AE
Tetradic#00AE84, #2D00AE, #AE002A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDFF7B
Lighter +30%#D0FF48
Lighter +20%#C2FF15
Lighter +10%#A7E100
Darker −10%#5B7B00
Darker −20%#354800
Darker −30%#101500
Darker −40%#000000
More saturated +25%#81AE00
Less saturated −25%#779816

Channel breakdown

R129
G174
B0
Red129 (50.6%)
Green174 (68.2%)
Blue0 (0%)
Hue75.52°
Saturation (HSL)100%
Lightness34.12%
Dominant channelGreen
Hex per channelR 81 · G AE · B 00

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Every value on this page was computed from “81ae00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.