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Colour

#66CC66

  • #66CC66
  • Green
  • Dark
  • Nearest: Light green

#66CC66 is a green with RGB values 102, 204, 102 and HSL 120°, 50%, 60%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Light green.

Colour values

#66CC66#66CC66
HEX#66CC66
HEX (short)#6C6
RGBrgb(102, 204, 102)
RGB (0–1)0.4, 0.8, 0.4
RGB percentages40%, 80%, 40%
HSLhsl(120, 50%, 60%)
HSV / HSBhsv(120, 50%, 80%)
CMYK50%, 0%, 50%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,736,998
CSS custom property--colour: #66CC66;

Brightness & contrast

Relative luminance0.4697WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.39:1
Contrast with white2.02:1WCAG normal text: Fail
Contrast with black10.39:1WCAG normal text: AAA
Greyscale equivalent#AFAFAF
Inverted#993399

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D0BC5Dno red cones; affects about 1% of men; ΔE 46.2 from the original
Deuteranopia#C2B36Dno green cones; the most common form, about 1% of men; ΔE 46 from the original
Tritanopia#58C7B4no blue cones; rare, and affects men and women equally; ΔE 44 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.02:1WCAG large text: Fail
Contrast with black, large text10.39:1WCAG large text: AAA

Named colours

Light green · ΔE 13.8Pale green · ΔE 17Medium seagreen · ΔE 19.6Forest green · ΔE 23.8Medium spring green · ΔE 26Limegreen · ΔE 26.1
Nearest named CSS colourLight green (#90EE90)ΔE 13.8, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CC66CC
Analogous#99CC66, #66CC99
Triadic#6666CC, #CC6666
Split complementary#9966CC, #CC6699
Tetradic#6699CC, #CC66CC, #CC9966

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9F2D9
Lighter +20%#B3E6B3
Lighter +10%#8CD98C
Darker −10%#40BF40
Darker −20%#339933
Darker −30%#267326
Darker −40%#1A4D1A
More saturated +25%#4DE64D
Less saturated −25%#80B380

Channel breakdown

R102
G204
B102
Red102 (40%)
Green204 (80%)
Blue102 (40%)
Hue120°
Saturation (HSL)50%
Lightness60%
Dominant channelGreen
Hex per channelR 66 · G CC · B 66

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Every value on this page was computed from “66cc66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.