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Colour

#31DD00

  • #31DD00
  • Green
  • Light
  • Nearest: Limegreen

#31DD00 is a green with RGB values 49, 221, 0 and HSL 107°, 100%, 43%. 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

#31DD00#31DD00
HEX#31DD00
RGBrgb(49, 221, 0)
RGB (0–1)0.1922, 0.8667, 0
RGB percentages19.2%, 86.7%, 0%
HSLhsl(106.7, 100%, 43.3%)
HSV / HSBhsv(106.7, 100%, 86.7%)
CMYK77.8%, 0%, 100%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,267,840
CSS custom property--colour: #31DD00;

Brightness & contrast

Relative luminance0.52366WCAG 2.x, 0 is black and 1 is white
Perceived brightness171.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.47:1
Contrast with white1.83:1WCAG normal text: Fail
Contrast with black11.47:1WCAG normal text: AAA
Greyscale equivalent#A8A8A8
Inverted#CE22FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E3C700no red cones; affects about 1% of men; ΔE 68.4 from the original
Deuteranopia#D0BB31no green cones; the most common form, about 1% of men; ΔE 67.4 from the original
Tritanopia#00D6BCno blue cones; rare, and affects men and women equally; ΔE 78.5 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 text11.47:1WCAG large text: AAA

Named colours

Limegreen · ΔE 16Lawn green · ΔE 16.2Chartreuse · ΔE 17.3Lime · ΔE 17.9Green yellow · ΔE 26.6Spring green · ΔE 30.3
Nearest named CSS colourLimegreen (#32CD32)ΔE 16.01, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AC00DD
Analogous#9FDD00, #00DD3D
Triadic#0031DD, #DD0031
Split complementary#3D00DD, #DD00A0
Tetradic#00A0DD, #AC00DD, #DD3E00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDFFAA
Lighter +30%#95FF77
Lighter +20%#6DFF44
Lighter +10%#46FF11
Darker −10%#26AA00
Darker −20%#1A7700
Darker −30%#0F4400
Darker −40%#041100
More saturated +25%#31DD00
Less saturated −25%#40C11C

Channel breakdown

R49
G221
B0
Red49 (19.2%)
Green221 (86.7%)
Blue0 (0%)
Hue106.7°
Saturation (HSL)100%
Lightness43.33%
Dominant channelGreen
Hex per channelR 31 · G DD · B 00

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Every value on this page was computed from “31dd00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.