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Colour

#51FF61

  • #51FF61
  • Green
  • Light
  • Nearest: Spring green

#51FF61 is a green with RGB values 81, 255, 97 and HSL 126°, 100%, 66%. It is a light colour, so black text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#51FF61#51FF61
HEX#51FF61
RGBrgb(81, 255, 97)
RGB (0–1)0.3176, 1, 0.3804
RGB percentages31.8%, 100%, 38%
HSLhsl(125.5, 100%, 65.9%)
HSV / HSBhsv(125.5, 68.2%, 100%)
CMYK68.2%, 0%, 62%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,373,793
CSS custom property--colour: #51FF61;

Brightness & contrast

Relative luminance0.74132WCAG 2.x, 0 is black and 1 is white
Perceived brightness203 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.83:1
Contrast with white1.33:1WCAG normal text: Fail
Contrast with black15.83:1WCAG normal text: AAA
Greyscale equivalent#CFCFCF
Inverted#AE009E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE84Fno red cones; affects about 1% of men; ΔE 66.5 from the original
Deuteranopia#EFDA6Fno green cones; the most common form, about 1% of men; ΔE 68.1 from the original
Tritanopia#10F8DEno blue cones; rare, and affects men and women equally; ΔE 65.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.33:1WCAG large text: Fail
Contrast with black, large text15.83:1WCAG large text: AAA

Named colours

Spring green · ΔE 14.5Limegreen · ΔE 17.7Lawn green · ΔE 24.5Chartreuse · ΔE 25.3Lime · ΔE 25.3Medium spring green · ΔE 28.9
Nearest named CSS colourSpring green (#00FF7F)ΔE 14.47, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF51EF
Analogous#98FF51, #51FFB8
Triadic#6151FF, #FF6151
Split complementary#B851FF, #FF5198
Tetradic#5198FF, #FF51EF, #FFB851

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EAFFEC
Lighter +20%#B7FFBE
Lighter +10%#84FF8F
Darker −10%#1EFF33
Darker −20%#00EA16
Darker −30%#00B711
Darker −40%#00840C
More saturated +25%#51FF61
Less saturated −25%#67E973

Channel breakdown

R81
G255
B97
Red81 (31.8%)
Green255 (100%)
Blue97 (38%)
Hue125.52°
Saturation (HSL)100%
Lightness65.88%
Dominant channelGreen
Hex per channelR 51 · G FF · B 61

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Every value on this page was computed from “51ff61” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.