Colour

#51DB20

#51DB20
Green
Light
Nearest: Limegreen

#51DB20 is a green with RGB values 81, 219, 32 and HSL 104°, 75%, 49%. It is a light colour, so black text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#51DB20#51DB20

HEX#51DB20

RGBrgb(81, 219, 32)

RGB (0–1)0.3176, 0.8588, 0.1255

RGB percentages31.8%, 85.9%, 12.5%

HSLhsl(104.3, 74.5%, 49.2%)

HSV / HSBhsv(104.3, 85.4%, 85.9%)

CMYK63%, 0%, 85.4%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,364,512

CSS custom property--colour: #51DB20;

Brightness & contrast

Relative luminance0.52517WCAG 2.x, 0 is black and 1 is white

Perceived brightness173.9 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 11.5:1

Contrast with white1.83:1WCAG normal text: Fail

Contrast with black11.5:1WCAG normal text: AAA

Greyscale equivalent#B0B0B0

Inverted#AE24DF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#E1C600no red cones; affects about 1% of men; ΔE 61.5 from the original

Deuteranopia#D1BC3Bno green cones; the most common form, about 1% of men; ΔE 60.7 from the original

Tritanopia#3DD4BBno blue cones; rare, and affects men and women equally; ΔE 73.5 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text1.83:1WCAG large text: Fail

Contrast with black, large text11.5:1WCAG large text: AAA

Named colours

Limegreen · ΔE 11 Lawn green · ΔE 17.8 Chartreuse · ΔE 19.1 Green yellow · ΔE 22.9 Lime · ΔE 24.9 Spring green · ΔE 28.3

Nearest named CSS colourLimegreen (#32CD32)ΔE 10.96, a distinctly different colour

Hue familygreen

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#AA20DB

Analogous#AFDB20, #20DB4C

Triadic#2051DB, #DB2051

Split complementary#4C20DB, #DB20AF

Tetradic#20AFDB, #AA20DB, #DB4C20

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#DAF8CF

Lighter +30%#B7F1A3

Lighter +20%#95EB76

Lighter +10%#72E44A

Darker −10%#41AF19

Darker −20%#308213

Darker −30%#20560C

Darker −40%#0F2906

More saturated +25%#42FA01

Less saturated −25%#60BC3F

Channel breakdown

R81

G219

B32

Red81 (31.8%)

Green219 (85.9%)

Blue32 (12.5%)

Hue104.28°

Saturation (HSL)74.5%

Lightness49.22%

Dominant channelGreen

Hex per channelR 51 · G DB · B 20

Keep nerding

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#51DB20

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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