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Colour

#63FF00

  • #63FF00
  • Green
  • Light
  • Nearest: Chartreuse

#63FF00 is a green with RGB values 99, 255, 0 and HSL 97°, 100%, 50%. It is a light colour, so black text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Chartreuse.

Colour values

#63FF00#63FF00
HEX#63FF00
RGBrgb(99, 255, 0)
RGB (0–1)0.3882, 1, 0
RGB percentages38.8%, 100%, 0%
HSLhsl(96.7, 100%, 50%)
HSV / HSBhsv(96.7, 100%, 100%)
CMYK61.2%, 0%, 100%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,553,344
CSS custom property--colour: #63FF00;

Brightness & contrast

Relative luminance0.74173WCAG 2.x, 0 is black and 1 is white
Perceived brightness202.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.83:1
Contrast with white1.33:1WCAG normal text: Fail
Contrast with black15.83:1WCAG normal text: AAA
Greyscale equivalent#CBCBCB
Inverted#9C00FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE700no red cones; affects about 1% of men; ΔE 65.4 from the original
Deuteranopia#F4DB39no green cones; the most common form, about 1% of men; ΔE 68.1 from the original
Tritanopia#50F6D9no blue cones; rare, and affects men and women equally; ΔE 87.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.33:1WCAG large text: Fail
Contrast with black, large text15.83:1WCAG large text: AAA

Named colours

Chartreuse · ΔE 7.2Lawn green · ΔE 7.2Lime · ΔE 11.3Green yellow · ΔE 23Limegreen · ΔE 29.6Spring green · ΔE 37.7
Nearest named CSS colourChartreuse (#7FFF00)ΔE 7.17, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9C00FF
Analogous#E3FF00, #00FF1C
Triadic#0063FF, #FF0063
Split complementary#1D00FF, #FF00E2
Tetradic#00E2FF, #9C00FF, #FF1C00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0FFCC
Lighter +30%#C1FF99
Lighter +20%#A1FF66
Lighter +10%#82FF33
Darker −10%#4FCC00
Darker −20%#3B9900
Darker −30%#286600
Darker −40%#143300
More saturated +25%#63FF00
Less saturated −25%#6ADF20

Channel breakdown

R99
G255
B0
Red99 (38.8%)
Green255 (100%)
Blue0 (0%)
Hue96.71°
Saturation (HSL)100%
Lightness50%
Dominant channelGreen
Hex per channelR 63 · G FF · B 00

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Every value on this page was computed from “63ff00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.