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Recognised as Colour

#81CF52

  • #81CF52
  • Green
  • Dark
  • Nearest: Yellow green

#81CF52 is a green with RGB values 129, 207, 82 and HSL 97°, 57%, 57%. It is a dark colour, so black text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Yellow green.

Colour values

#81CF52#81CF52
HEX#81CF52
RGBrgb(129, 207, 82)
RGB (0–1)0.5059, 0.8118, 0.3216
RGB percentages50.6%, 81.2%, 32.2%
HSLhsl(97.4, 56.6%, 56.7%)
HSV / HSBhsv(97.4, 60.4%, 81.2%)
CMYK37.7%, 0%, 60.4%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,507,218
CSS custom property--colour: #81CF52;

Brightness & contrast

Relative luminance0.49902WCAG 2.x, 0 is black and 1 is white
Perceived brightness175.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.98:1
Contrast with white1.91:1WCAG normal text: Fail
Contrast with black10.98:1WCAG normal text: AAA
Greyscale equivalent#B5B5B5
Inverted#7E30AD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D6C044no red cones; affects about 1% of men; ΔE 40.6 from the original
Deuteranopia#CBB95Cno green cones; the most common form, about 1% of men; ΔE 40.4 from the original
Tritanopia#7FC8B4no blue cones; rare, and affects men and women equally; ΔE 53.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.91:1WCAG large text: Fail
Contrast with black, large text10.98:1WCAG large text: AAA

Named colours

Yellow green · ΔE 15.3Light green · ΔE 19.5Pale green · ΔE 21.1Limegreen · ΔE 23.3Forest green · ΔE 27.1Olivedrab · ΔE 27.8
Nearest named CSS colourYellow green (#9ACD32)ΔE 15.25, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A052CF
Analogous#C0CF52, #52CF62
Triadic#5281CF, #CF5281
Split complementary#6252CF, #CF52BF
Tetradic#52BFCF, #A052CF, #CF6252

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F5FBF2
Lighter +30%#D8F0CA
Lighter +20%#BBE5A2
Lighter +10%#9EDA7A
Darker −10%#66BA34
Darker −20%#509229
Darker −30%#3A6A1E
Darker −40%#254312
More saturated +25%#7AEB36
Less saturated −25%#88B36E

Channel breakdown

R129
G207
B82
Red129 (50.6%)
Green207 (81.2%)
Blue82 (32.2%)
Hue97.44°
Saturation (HSL)56.56%
Lightness56.67%
Dominant channelGreen
Hex per channelR 81 · G CF · B 52

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Every value on this page was computed from “81cf52” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.