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Recognised as Colour

#81FF4A

  • #81FF4A
  • Green
  • Light
  • Nearest: Lawn green

#81FF4A is a green with RGB values 129, 255, 74 and HSL 102°, 100%, 65%. It is a light colour, so black text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Lawn green.

Colour values

#81FF4A#81FF4A
HEX#81FF4A
RGBrgb(129, 255, 74)
RGB (0–1)0.5059, 1, 0.2902
RGB percentages50.6%, 100%, 29%
HSLhsl(101.8, 100%, 64.5%)
HSV / HSBhsv(101.8, 71%, 100%)
CMYK49.4%, 0%, 71%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,519,498
CSS custom property--colour: #81FF4A;

Brightness & contrast

Relative luminance0.76682WCAG 2.x, 0 is black and 1 is white
Perceived brightness209.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.34:1
Contrast with white1.29:1WCAG normal text: Fail
Contrast with black16.34:1WCAG normal text: AAA
Greyscale equivalent#D7D7D7
Inverted#7E00B5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE92Ano red cones; affects about 1% of men; ΔE 56.2 from the original
Deuteranopia#F6DF5Cno green cones; the most common form, about 1% of men; ΔE 58.3 from the original
Tritanopia#78F6DCno blue cones; rare, and affects men and women equally; ΔE 73.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.29:1WCAG large text: Fail
Contrast with black, large text16.34:1WCAG large text: AAA

Named colours

Lawn green · ΔE 13.7Chartreuse · ΔE 14.5Green yellow · ΔE 16.3Limegreen · ΔE 20.4Lime · ΔE 24.3Spring green · ΔE 27.4
Nearest named CSS colourLawn green (#7CFC00)ΔE 13.74, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C84AFF
Analogous#DCFF4A, #4AFF6D
Triadic#4A81FF, #FF4A81
Split complementary#6E4AFF, #FF4ADB
Tetradic#4ADBFF, #C84AFF, #FF6D4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#ECFFE3
Lighter +20%#C8FFB0
Lighter +10%#A5FF7D
Darker −10%#5DFF17
Darker −20%#45E300
Darker −30%#35B000
Darker −40%#267D00
More saturated +25%#81FF4A
Less saturated −25%#8AE861

Channel breakdown

R129
G255
B74
Red129 (50.6%)
Green255 (100%)
Blue74 (29%)
Hue101.77°
Saturation (HSL)100%
Lightness64.51%
Dominant channelGreen
Hex per channelR 81 · G FF · B 4A

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Every value on this page was computed from “81ff4a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.