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Colour

#81BB54

  • #81BB54
  • Green
  • Dark
  • Nearest: Olivedrab

#81BB54 is a green with RGB values 129, 187, 84 and HSL 94°, 43%, 53%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Olivedrab.

Colour values

#81BB54#81BB54
HEX#81BB54
RGBrgb(129, 187, 84)
RGB (0–1)0.5059, 0.7333, 0.3294
RGB percentages50.6%, 73.3%, 32.9%
HSLhsl(93.8, 43.1%, 53.1%)
HSV / HSBhsv(93.8, 55.1%, 73.3%)
CMYK31%, 0%, 55.1%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,502,100
CSS custom property--colour: #81BB54;

Brightness & contrast

Relative luminance0.40848WCAG 2.x, 0 is black and 1 is white
Perceived brightness162.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.17:1
Contrast with white2.29:1WCAG normal text: Fail
Contrast with black9.17:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#7E44AB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C2AE4Ano red cones; affects about 1% of men; ΔE 32.6 from the original
Deuteranopia#BAAA5Bno green cones; the most common form, about 1% of men; ΔE 32 from the original
Tritanopia#82B4A4no blue cones; rare, and affects men and women equally; ΔE 45.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.29:1WCAG large text: Fail
Contrast with black, large text9.17:1WCAG large text: AAA

Named colours

Olivedrab · ΔE 18Light green · ΔE 21Yellow green · ΔE 22Forest green · ΔE 23.4Medium seagreen · ΔE 24.8Pale green · ΔE 24.8
Nearest named CSS colourOlivedrab (#6B8E23)ΔE 18.02, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8E54BB
Analogous#B5BB54, #54BB5B
Triadic#5481BB, #BB5481
Split complementary#5B54BB, #BB54B4
Tetradic#54B4BB, #8E54BB, #BB5B54

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDF5E6
Lighter +30%#D2E7C1
Lighter +20%#B7D89D
Lighter +10%#9CCA78
Darker −10%#689D3F
Darker −20%#507930
Darker −30%#385422
Darker −40%#203013
More saturated +25%#7DD936
Less saturated −25%#859D72

Channel breakdown

R129
G187
B84
Red129 (50.6%)
Green187 (73.3%)
Blue84 (32.9%)
Hue93.79°
Saturation (HSL)43.1%
Lightness53.14%
Dominant channelGreen
Hex per channelR 81 · G BB · B 54

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Every value on this page was computed from “81bb54” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.