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Colour

#63FF18

  • #63FF18
  • Green
  • Light
  • Nearest: Lawn green

#63FF18 is a green with RGB values 99, 255, 24 and HSL 101°, 100%, 55%. It is a light colour, so black text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Lawn green.

Colour values

#63FF18#63FF18
HEX#63FF18
RGBrgb(99, 255, 24)
RGB (0–1)0.3882, 1, 0.0941
RGB percentages38.8%, 100%, 9.4%
HSLhsl(100.5, 100%, 54.7%)
HSV / HSBhsv(100.5, 90.6%, 100%)
CMYK61.2%, 0%, 90.6%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,553,368
CSS custom property--colour: #63FF18;

Brightness & contrast

Relative luminance0.74239WCAG 2.x, 0 is black and 1 is white
Perceived brightness202.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.85:1
Contrast with white1.33:1WCAG normal text: Fail
Contrast with black15.85:1WCAG normal text: AAA
Greyscale equivalent#CDCDCD
Inverted#9C00E7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE700no red cones; affects about 1% of men; ΔE 65.3 from the original
Deuteranopia#F4DB3Fno green cones; the most common form, about 1% of men; ΔE 67.9 from the original
Tritanopia#4FF6D9no blue cones; rare, and affects men and women equally; ΔE 85 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 text15.85:1WCAG large text: AAA

Named colours

Lawn green · ΔE 7.3Chartreuse · ΔE 7.5Lime · ΔE 11.5Green yellow · ΔE 22.4Limegreen · ΔE 27.8Spring green · ΔE 35.6
Nearest named CSS colourLawn green (#7CFC00)ΔE 7.29, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B418FF
Analogous#D7FF18, #18FF40
Triadic#1863FF, #FF1863
Split complementary#4118FF, #FF18D6
Tetradic#18D6FF, #B418FF, #FF4018

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDFFE4
Lighter +30%#CAFFB1
Lighter +20%#A8FF7E
Lighter +10%#85FF4B
Darker −10%#4AE400
Darker −20%#39B100
Darker −30%#297E00
Darker −40%#184B00
More saturated +25%#63FF18
Less saturated −25%#6DE235

Channel breakdown

R99
G255
B24
Red99 (38.8%)
Green255 (100%)
Blue24 (9.4%)
Hue100.52°
Saturation (HSL)100%
Lightness54.71%
Dominant channelGreen
Hex per channelR 63 · G FF · B 18

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Every value on this page was computed from “63ff18” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.