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Recognised as Colour

#81BF23

  • #81BF23
  • Green
  • Dark
  • Nearest: Yellow green

#81BF23 is a green with RGB values 129, 191, 35 and HSL 84°, 69%, 44%. It is a dark colour, so black text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#81BF23#81BF23
HEX#81BF23
RGBrgb(129, 191, 35)
RGB (0–1)0.5059, 0.749, 0.1373
RGB percentages50.6%, 74.9%, 13.7%
HSLhsl(83.8, 69%, 44.3%)
HSV / HSBhsv(83.8, 81.7%, 74.9%)
CMYK32.5%, 0%, 81.7%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,503,075
CSS custom property--colour: #81BF23;

Brightness & contrast

Relative luminance0.4205WCAG 2.x, 0 is black and 1 is white
Perceived brightness162.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.41:1
Contrast with white2.23:1WCAG normal text: Fail
Contrast with black9.41:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#7E40DC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C8B000no red cones; affects about 1% of men; ΔE 37.3 from the original
Deuteranopia#C0AC35no green cones; the most common form, about 1% of men; ΔE 36.4 from the original
Tritanopia#84B6A3no blue cones; rare, and affects men and women equally; ΔE 64.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.23:1WCAG large text: Fail
Contrast with black, large text9.41:1WCAG large text: AAA

Named colours

Yellow green · ΔE 7Limegreen · ΔE 25.5Olivedrab · ΔE 26.4Green yellow · ΔE 28.8Forest green · ΔE 29.7Green · ΔE 30.7
Nearest named CSS colourYellow green (#9ACD32)ΔE 7.01, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6123BF
Analogous#BFAF23, #33BF23
Triadic#2381BF, #BF2381
Split complementary#2333BF, #AF23BF
Tetradic#23BFAF, #6123BF, #BF2333

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDF3BB
Lighter +30%#C7EB90
Lighter +20%#B1E365
Lighter +10%#9BDB3A
Darker −10%#64941B
Darker −20%#476913
Darker −30%#2A3E0B
Darker −40%#0D1303
More saturated +25%#87DB07
Less saturated −25%#7BA33F

Channel breakdown

R129
G191
B35
Red129 (50.6%)
Green191 (74.9%)
Blue35 (13.7%)
Hue83.85°
Saturation (HSL)69.03%
Lightness44.31%
Dominant channelGreen
Hex per channelR 81 · G BF · B 23

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Every value on this page was computed from “81bf23” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.