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Recognised as Colour

#66FF44

  • #66FF44
  • Green
  • Light
  • Nearest: Lawn green

#66FF44 is a green with RGB values 102, 255, 68 and HSL 109°, 100%, 63%. It is a light colour, so black text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Lawn green.

Colour values

#66FF44#66FF44
HEX#66FF44
HEX (short)#6F4
RGBrgb(102, 255, 68)
RGB (0–1)0.4, 1, 0.2667
RGB percentages40%, 100%, 26.7%
HSLhsl(109.1, 100%, 63.3%)
HSV / HSBhsv(109.1, 73.3%, 100%)
CMYK60%, 0%, 73.3%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,750,020
CSS custom property--colour: #66FF44;

Brightness & contrast

Relative luminance0.74762WCAG 2.x, 0 is black and 1 is white
Perceived brightness204.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.95:1
Contrast with white1.32:1WCAG normal text: Fail
Contrast with black15.95:1WCAG normal text: AAA
Greyscale equivalent#D1D1D1
Inverted#9900BB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE81Dno red cones; affects about 1% of men; ΔE 63.7 from the original
Deuteranopia#F3DC58no green cones; the most common form, about 1% of men; ΔE 65.5 from the original
Tritanopia#50F7DBno blue cones; rare, and affects men and women equally; ΔE 75.1 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 text15.95:1WCAG large text: AAA

Named colours

Lawn green · ΔE 13.2Chartreuse · ΔE 14Lime · ΔE 17.8Limegreen · ΔE 20.6Green yellow · ΔE 21.9Spring green · ΔE 25.9
Nearest named CSS colourLawn green (#7CFC00)ΔE 13.23, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD44FF
Analogous#C3FF44, #44FF80
Triadic#4466FF, #FF4466
Split complementary#8044FF, #FF44C3
Tetradic#44C3FF, #DD44FF, #FF8044

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E3FFDD
Lighter +20%#B9FFAA
Lighter +10%#90FF77
Darker −10%#3CFF11
Darker −20%#28DD00
Darker −30%#1FAA00
Darker −40%#167700
More saturated +25%#66FF44
Less saturated −25%#75E85B

Channel breakdown

R102
G255
B68
Red102 (40%)
Green255 (100%)
Blue68 (26.7%)
Hue109.09°
Saturation (HSL)100%
Lightness63.33%
Dominant channelGreen
Hex per channelR 66 · G FF · B 44

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Every value on this page was computed from “66ff44” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.