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Recognised as Colour

#51FC5B

  • #51FC5B
  • Green
  • Light
  • Nearest: Spring green

#51FC5B is a green with RGB values 81, 252, 91 and HSL 124°, 97%, 65%. It is a light colour, so black text on it reaches 15.4:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#51FC5B#51FC5B
HEX#51FC5B
RGBrgb(81, 252, 91)
RGB (0–1)0.3176, 0.9882, 0.3569
RGB percentages31.8%, 98.8%, 35.7%
HSLhsl(123.5, 96.6%, 65.3%)
HSV / HSBhsv(123.5, 67.9%, 98.8%)
CMYK67.9%, 0%, 63.9%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,373,019
CSS custom property--colour: #51FC5B;

Brightness & contrast

Relative luminance0.72125WCAG 2.x, 0 is black and 1 is white
Perceived brightness200.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.43:1
Contrast with white1.36:1WCAG normal text: Fail
Contrast with black15.43:1WCAG normal text: AAA
Greyscale equivalent#CCCCCC
Inverted#AE03A4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE547no red cones; affects about 1% of men; ΔE 67.4 from the original
Deuteranopia#EDD769no green cones; the most common form, about 1% of men; ΔE 68 from the original
Tritanopia#19F5DBno blue cones; rare, and affects men and women equally; ΔE 66.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.36:1WCAG large text: Fail
Contrast with black, large text15.43:1WCAG large text: AAA

Named colours

Spring green · ΔE 15.9Limegreen · ΔE 16.7Lawn green · ΔE 23.1Chartreuse · ΔE 23.9Lime · ΔE 24.3Green yellow · ΔE 28.8
Nearest named CSS colourSpring green (#00FF7F)ΔE 15.89, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FC51F2
Analogous#9DFC51, #51FCB1
Triadic#5B51FC, #FC5B51
Split complementary#B151FC, #FC519D
Tetradic#519DFC, #FC51F2, #FCB051

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E7FFE9
Lighter +20%#B5FEBA
Lighter +10%#83FD8A
Darker −10%#1FFB2C
Darker −20%#04E311
Darker −30%#03B10D
Darker −40%#027F09
More saturated +25%#4EFF58
Less saturated −25%#67E66F

Channel breakdown

R81
G252
B91
Red81 (31.8%)
Green252 (98.8%)
Blue91 (35.7%)
Hue123.51°
Saturation (HSL)96.61%
Lightness65.29%
Dominant channelGreen
Hex per channelR 51 · G FC · B 5B

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Every value on this page was computed from “51fc5b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.