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Colour

#51FF8B

  • #51FF8B
  • Green
  • Light
  • Nearest: Spring green

#51FF8B is a green with RGB values 81, 255, 139 and HSL 140°, 100%, 66%. It is a light colour, so black text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#51FF8B#51FF8B
HEX#51FF8B
RGBrgb(81, 255, 139)
RGB (0–1)0.3176, 1, 0.5451
RGB percentages31.8%, 100%, 54.5%
HSLhsl(140, 100%, 65.9%)
HSV / HSBhsv(140, 68.2%, 100%)
CMYK68.2%, 0%, 45.5%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,373,835
CSS custom property--colour: #51FF8B;

Brightness & contrast

Relative luminance0.75133WCAG 2.x, 0 is black and 1 is white
Perceived brightness205.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.03:1
Contrast with white1.31:1WCAG normal text: Fail
Contrast with black16.03:1WCAG normal text: AAA
Greyscale equivalent#D2D2D2
Inverted#AE0074

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEA82no red cones; affects about 1% of men; ΔE 63.1 from the original
Deuteranopia#EBDB93no green cones; the most common form, about 1% of men; ΔE 63.9 from the original
Tritanopia#00FBE3no blue cones; rare, and affects men and women equally; ΔE 47.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.31:1WCAG large text: Fail
Contrast with black, large text16.03:1WCAG large text: AAA

Named colours

Spring green · ΔE 9.7Medium spring green · ΔE 10.8Pale green · ΔE 20.5Light green · ΔE 22.9Limegreen · ΔE 25.2Medium seagreen · ΔE 36.5
Nearest named CSS colourSpring green (#00FF7F)ΔE 9.66, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF51C5
Analogous#6EFF51, #51FFE2
Triadic#8B51FF, #FF8B51
Split complementary#E251FF, #FF516E
Tetradic#516EFF, #FF51C5, #FFE251

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EAFFF1
Lighter +20%#B7FFCF
Lighter +10%#84FFAD
Darker −10%#1EFF69
Darker −20%#00EA4E
Darker −30%#00B73D
Darker −40%#00842C
More saturated +25%#51FF8B
Less saturated −25%#67E992

Channel breakdown

R81
G255
B139
Red81 (31.8%)
Green255 (100%)
Blue139 (54.5%)
Hue140°
Saturation (HSL)100%
Lightness65.88%
Dominant channelGreen
Hex per channelR 51 · G FF · B 8B

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Every value on this page was computed from “51ff8b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.