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Recognised as Colour

#51FF9B

  • #51FF9B
  • Green
  • Light
  • Nearest: Medium spring green

#51FF9B is a green with RGB values 81, 255, 155 and HSL 146°, 100%, 66%. It is a light colour, so black text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

Colour values

#51FF9B#51FF9B
HEX#51FF9B
RGBrgb(81, 255, 155)
RGB (0–1)0.3176, 1, 0.6078
RGB percentages31.8%, 100%, 60.8%
HSLhsl(145.5, 100%, 65.9%)
HSV / HSBhsv(145.5, 68.2%, 100%)
CMYK68.2%, 0%, 39.2%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,373,851
CSS custom property--colour: #51FF9B;

Brightness & contrast

Relative luminance0.75636WCAG 2.x, 0 is black and 1 is white
Perceived brightness207.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.13:1
Contrast with white1.3:1WCAG normal text: Fail
Contrast with black16.13:1WCAG normal text: AAA
Greyscale equivalent#D3D3D3
Inverted#AE0064

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEB94no red cones; affects about 1% of men; ΔE 61.6 from the original
Deuteranopia#E9DBA2no green cones; the most common form, about 1% of men; ΔE 62.3 from the original
Tritanopia#00FCE6no blue cones; rare, and affects men and women equally; ΔE 40.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.3:1WCAG large text: Fail
Contrast with black, large text16.13:1WCAG large text: AAA

Named colours

Medium spring green · ΔE 6.2Spring green · ΔE 16.3Pale green · ΔE 17.7Light green · ΔE 19.7Limegreen · ΔE 31.3Medium seagreen · ΔE 31.9
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 6.2, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF51B5
Analogous#5EFF51, #51FFF2
Triadic#9B51FF, #FF9B51
Split complementary#F251FF, #FF515E
Tetradic#515EFF, #FF51B5, #FFF251

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EAFFF3
Lighter +20%#B7FFD6
Lighter +10%#84FFB8
Darker −10%#1EFF7E
Darker −20%#00EA64
Darker −30%#00B74E
Darker −40%#008438
More saturated +25%#51FF9B
Less saturated −25%#67E99E

Channel breakdown

R81
G255
B155
Red81 (31.8%)
Green255 (100%)
Blue155 (60.8%)
Hue145.52°
Saturation (HSL)100%
Lightness65.88%
Dominant channelGreen
Hex per channelR 51 · G FF · B 9B

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Every value on this page was computed from “51ff9b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.