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Colour

#55FF66

  • #55FF66
  • Green
  • Light
  • Nearest: Spring green

#55FF66 is a green with RGB values 85, 255, 102 and HSL 126°, 100%, 67%. It is a light colour, so black text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#55FF66#55FF66
HEX#55FF66
HEX (short)#5F6
RGBrgb(85, 255, 102)
RGB (0–1)0.3333, 1, 0.4
RGB percentages33.3%, 100%, 40%
HSLhsl(126, 100%, 66.7%)
HSV / HSBhsv(126, 66.7%, 100%)
CMYK66.7%, 0%, 60%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,635,942
CSS custom property--colour: #55FF66;

Brightness & contrast

Relative luminance0.74411WCAG 2.x, 0 is black and 1 is white
Perceived brightness203.8 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#D0D0D0
Inverted#AA0099

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE855no red cones; affects about 1% of men; ΔE 65.5 from the original
Deuteranopia#EFDA73no green cones; the most common form, about 1% of men; ΔE 67.2 from the original
Tritanopia#1FF9DEno blue cones; rare, and affects men and women equally; ΔE 62.8 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

Spring green · ΔE 13Limegreen · ΔE 17.5Lawn green · ΔE 26.2Medium spring green · ΔE 26.9Chartreuse · ΔE 26.9Lime · ΔE 27.6
Nearest named CSS colourSpring green (#00FF7F)ΔE 12.97, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF55EE
Analogous#99FF55, #55FFBB
Triadic#6655FF, #FF6655
Split complementary#BB55FF, #FF5599
Tetradic#5599FF, #FF55EE, #FFBB55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EEFFF0
Lighter +20%#BBFFC2
Lighter +10%#88FF94
Darker −10%#22FF38
Darker −20%#00EE18
Darker −30%#00BB13
Darker −40%#00880E
More saturated +25%#55FF66
Less saturated −25%#6AEA77

Channel breakdown

R85
G255
B102
Red85 (33.3%)
Green255 (100%)
Blue102 (40%)
Hue126°
Saturation (HSL)100%
Lightness66.67%
Dominant channelGreen
Hex per channelR 55 · G FF · B 66

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Every value on this page was computed from “55ff66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.