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Recognised as Colour

#81C11D

  • #81C11D
  • Green
  • Dark
  • Nearest: Yellow green

#81C11D is a green with RGB values 129, 193, 29 and HSL 83°, 74%, 44%. It is a dark colour, so black text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#81C11D#81C11D
HEX#81C11D
RGBrgb(129, 193, 29)
RGB (0–1)0.5059, 0.7569, 0.1137
RGB percentages50.6%, 75.7%, 11.4%
HSLhsl(83.4, 73.9%, 43.5%)
HSV / HSBhsv(83.4, 85%, 75.7%)
CMYK33.2%, 0%, 85%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,503,581
CSS custom property--colour: #81C11D;

Brightness & contrast

Relative luminance0.42896WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.58:1
Contrast with white2.19:1WCAG normal text: Fail
Contrast with black9.58:1WCAG normal text: AAA
Greyscale equivalent#A8A8A8
Inverted#7E3EE2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CAB200no red cones; affects about 1% of men; ΔE 37.9 from the original
Deuteranopia#C2AE32no green cones; the most common form, about 1% of men; ΔE 37.2 from the original
Tritanopia#84B8A4no blue cones; rare, and affects men and women equally; ΔE 66.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.19:1WCAG large text: Fail
Contrast with black, large text9.58:1WCAG large text: AAA

Named colours

Yellow green · ΔE 7.2Limegreen · ΔE 24.8Green yellow · ΔE 26.9Olivedrab · ΔE 28.5Forest green · ΔE 31.2Green · ΔE 31.8
Nearest named CSS colourYellow green (#9ACD32)ΔE 7.17, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D1DC1
Analogous#C1AF1D, #2FC11D
Triadic#1D81C1, #C11D81
Split complementary#1D2FC1, #AF1DC1
Tetradic#1DC1AF, #5D1DC1, #C11D2F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCF4B6
Lighter +30%#C6ED8A
Lighter +20%#B1E75D
Lighter +10%#9CE031
Darker −10%#639516
Darker −20%#466810
Darker −30%#283C09
Darker −40%#0A1002
More saturated +25%#87DD01
Less saturated −25%#7BA539

Channel breakdown

R129
G193
B29
Red129 (50.6%)
Green193 (75.7%)
Blue29 (11.4%)
Hue83.41°
Saturation (HSL)73.87%
Lightness43.53%
Dominant channelGreen
Hex per channelR 81 · G C1 · B 1D

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Every value on this page was computed from “81c11d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.