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Colour

#51FF22

  • #51FF22
  • Green
  • Light
  • Nearest: Lime

#51FF22 is a green with RGB values 81, 255, 34 and HSL 107°, 100%, 57%. It is a light colour, so black text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Lime.

Colour values

#51FF22#51FF22
HEX#51FF22
RGBrgb(81, 255, 34)
RGB (0–1)0.3176, 1, 0.1333
RGB percentages31.8%, 100%, 13.3%
HSLhsl(107.2, 100%, 56.7%)
HSV / HSBhsv(107.2, 86.7%, 100%)
CMYK68.2%, 0%, 86.7%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,373,730
CSS custom property--colour: #51FF22;

Brightness & contrast

Relative luminance0.73385WCAG 2.x, 0 is black and 1 is white
Perceived brightness200.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.68:1
Contrast with white1.34:1WCAG normal text: Fail
Contrast with black15.68:1WCAG normal text: AAA
Greyscale equivalent#CACACA
Inverted#AE00DD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE700no red cones; affects about 1% of men; ΔE 68.8 from the original
Deuteranopia#F2D944no green cones; the most common form, about 1% of men; ΔE 71.6 from the original
Tritanopia#2BF7D9no blue cones; rare, and affects men and women equally; ΔE 83.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.34:1WCAG large text: Fail
Contrast with black, large text15.68:1WCAG large text: AAA

Named colours

Lime · ΔE 8.6Lawn green · ΔE 11.2Chartreuse · ΔE 11.4Green yellow · ΔE 25.8Limegreen · ΔE 27.1Spring green · ΔE 33.4
Nearest named CSS colourLime (#00FF00)ΔE 8.63, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D022FF
Analogous#C0FF22, #22FF61
Triadic#2251FF, #FF2251
Split complementary#6122FF, #FF22C0
Tetradic#22C0FF, #D022FF, #FF6122

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2FFEE
Lighter +30%#C9FFBB
Lighter +20%#A1FF88
Lighter +10%#79FF55
Darker −10%#33EE00
Darker −20%#28BB00
Darker −30%#1D8800
Darker −40%#125500
More saturated +25%#51FF22
Less saturated −25%#61E33E

Channel breakdown

R81
G255
B34
Red81 (31.8%)
Green255 (100%)
Blue34 (13.3%)
Hue107.24°
Saturation (HSL)100%
Lightness56.67%
Dominant channelGreen
Hex per channelR 51 · G FF · B 22

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Every value on this page was computed from “51ff22” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.