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Recognised as Colour

#63FF31

  • #63FF31
  • Green
  • Light
  • Nearest: Lawn green

#63FF31 is a green with RGB values 99, 255, 49 and HSL 105°, 100%, 60%. It is a light colour, so black text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Lawn green.

Colour values

#63FF31#63FF31
HEX#63FF31
RGBrgb(99, 255, 49)
RGB (0–1)0.3882, 1, 0.1922
RGB percentages38.8%, 100%, 19.2%
HSLhsl(105.4, 100%, 59.6%)
HSV / HSBhsv(105.4, 80.8%, 100%)
CMYK61.2%, 0%, 80.8%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,553,393
CSS custom property--colour: #63FF31;

Brightness & contrast

Relative luminance0.74394WCAG 2.x, 0 is black and 1 is white
Perceived brightness203.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.88:1
Contrast with white1.32:1WCAG normal text: Fail
Contrast with black15.88:1WCAG normal text: AAA
Greyscale equivalent#CFCFCF
Inverted#9C00CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE800no red cones; affects about 1% of men; ΔE 64.7 from the original
Deuteranopia#F3DB4Bno green cones; the most common form, about 1% of men; ΔE 67.1 from the original
Tritanopia#4DF6DAno blue cones; rare, and affects men and women equally; ΔE 80.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.32:1WCAG large text: Fail
Contrast with black, large text15.88:1WCAG large text: AAA

Named colours

Lawn green · ΔE 9.4Chartreuse · ΔE 9.9Lime · ΔE 13.5Green yellow · ΔE 22Limegreen · ΔE 24.2Spring green · ΔE 30.9
Nearest named CSS colourLawn green (#7CFC00)ΔE 9.38, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD31FF
Analogous#CAFF31, #31FF66
Triadic#3163FF, #FF3163
Split complementary#6631FF, #FF31CA
Tetradic#31CAFF, #CD31FF, #FF6631

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFFFD
Lighter +30%#D7FFCA
Lighter +20%#B0FF97
Lighter +10%#8AFF64
Darker −10%#3DFD00
Darker −20%#31CA00
Darker −30%#259700
Darker −40%#186400
More saturated +25%#63FF31
Less saturated −25%#70E54B

Channel breakdown

R99
G255
B49
Red99 (38.8%)
Green255 (100%)
Blue49 (19.2%)
Hue105.44°
Saturation (HSL)100%
Lightness59.61%
Dominant channelGreen
Hex per channelR 63 · G FF · B 31

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Every value on this page was computed from “63ff31” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.