Colour

#51B218

#51B218
Green
Dark
Nearest: Limegreen

#51B218 is a green with RGB values 81, 178, 24 and HSL 98°, 76%, 40%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#51B218#51B218

HEX#51B218

RGBrgb(81, 178, 24)

RGB (0–1)0.3176, 0.698, 0.0941

RGB percentages31.8%, 69.8%, 9.4%

HSLhsl(97.8, 76.2%, 39.6%)

HSV / HSBhsv(97.8, 86.5%, 69.8%)

CMYK54.5%, 0%, 86.5%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,354,008

CSS custom property--colour: #51B218;

Brightness & contrast

Relative luminance0.33656WCAG 2.x, 0 is black and 1 is white

Perceived brightness143.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.73:1

Contrast with white2.72:1WCAG normal text: Fail

Contrast with black7.73:1WCAG normal text: AAA

Greyscale equivalent#929292

Inverted#AE4DE7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B8A200no red cones; affects about 1% of men; ΔE 48.2 from the original

Deuteranopia#AC9A2Eno green cones; the most common form, about 1% of men; ΔE 47.9 from the original

Tritanopia#49AB97no blue cones; rare, and affects men and women equally; ΔE 63 from the original

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

Contrast with white, large text2.72:1WCAG large text: Fail

Contrast with black, large text7.73:1WCAG large text: AAA

Named colours

Limegreen · ΔE 16.2 Yellow green · ΔE 19.8 Green · ΔE 21.9 Forest green · ΔE 22 Olivedrab · ΔE 29.3 Light green · ΔE 33.6

Nearest named CSS colourLimegreen (#32CD32)ΔE 16.19, a distinctly different colour

Hue familygreen

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7918B2

Analogous#9EB218, #18B22C

Triadic#1851B2, #B21851

Split complementary#2C18B2, #B2189E

Tetradic#189EB2, #7918B2, #B22C18

Tints, shades & saturation

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

Lighter +40%#C1F3A3

Lighter +30%#A2ED76

Lighter +20%#84E749

Lighter +10%#65DF1E

Darker −10%#3D8512

Darker −20%#28580C

Darker −30%#142B06

Darker −40%#000000

More saturated +25%#4BCA00

Less saturated −25%#589931

Channel breakdown

R81

G178

B24

Red81 (31.8%)

Green178 (69.8%)

Blue24 (9.4%)

Hue97.79°

Saturation (HSL)76.24%

Lightness39.61%

Dominant channelGreen

Hex per channelR 51 · G B2 · B 18

Keep nerding

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#51B218

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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