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Recognised as Colour

#51DF23

  • #51DF23
  • Green
  • Light
  • Nearest: Limegreen

#51DF23 is a green with RGB values 81, 223, 35 and HSL 105°, 75%, 51%. It is a light colour, so black text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#51DF23#51DF23
HEX#51DF23
RGBrgb(81, 223, 35)
RGB (0–1)0.3176, 0.8745, 0.1373
RGB percentages31.8%, 87.5%, 13.7%
HSLhsl(105.3, 74.6%, 50.6%)
HSV / HSBhsv(105.3, 84.3%, 87.5%)
CMYK63.7%, 0%, 84.3%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,365,539
CSS custom property--colour: #51DF23;

Brightness & contrast

Relative luminance0.54646WCAG 2.x, 0 is black and 1 is white
Perceived brightness176.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.93:1
Contrast with white1.76:1WCAG normal text: Fail
Contrast with black11.93:1WCAG normal text: AAA
Greyscale equivalent#B3B3B3
Inverted#AE20DC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E5CA00no red cones; affects about 1% of men; ΔE 62.5 from the original
Deuteranopia#D4BF3Dno green cones; the most common form, about 1% of men; ΔE 61.7 from the original
Tritanopia#3BD7BEno blue cones; rare, and affects men and women equally; ΔE 74.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.76:1WCAG large text: Fail
Contrast with black, large text11.93:1WCAG large text: AAA

Named colours

Limegreen · ΔE 12Lawn green · ΔE 16.7Chartreuse · ΔE 17.9Green yellow · ΔE 22.8Lime · ΔE 23.3Spring green · ΔE 27.9
Nearest named CSS colourLimegreen (#32CD32)ΔE 11.99, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B123DF
Analogous#AFDF23, #23DF53
Triadic#2351DF, #DF2351
Split complementary#5323DF, #DF23AF
Tetradic#23AFDF, #B123DF, #DF5323

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEF9D5
Lighter +30%#BBF2A9
Lighter +20%#97EC7C
Lighter +10%#74E550
Darker −10%#40B51A
Darker −20%#308814
Darker −30%#205C0D
Darker −40%#112F07
More saturated +25%#41FF03
Less saturated −25%#61C042

Channel breakdown

R81
G223
B35
Red81 (31.8%)
Green223 (87.5%)
Blue35 (13.7%)
Hue105.32°
Saturation (HSL)74.6%
Lightness50.59%
Dominant channelGreen
Hex per channelR 51 · G DF · B 23

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Every value on this page was computed from “51df23” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.