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Recognised as Colour

#66CD6F

  • #66CD6F
  • Green
  • Dark
  • Nearest: Light green

#66CD6F is a green with RGB values 102, 205, 111 and HSL 125°, 51%, 60%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Light green.

Colour values

#66CD6F#66CD6F
HEX#66CD6F
RGBrgb(102, 205, 111)
RGB (0–1)0.4, 0.8039, 0.4353
RGB percentages40%, 80.4%, 43.5%
HSLhsl(125.2, 50.7%, 60.2%)
HSV / HSBhsv(125.2, 50.2%, 80.4%)
CMYK50.2%, 0%, 45.9%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,737,263
CSS custom property--colour: #66CD6F;

Brightness & contrast

Relative luminance0.47635WCAG 2.x, 0 is black and 1 is white
Perceived brightness170.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.53:1
Contrast with white1.99:1WCAG normal text: Fail
Contrast with black10.53:1WCAG normal text: AAA
Greyscale equivalent#B0B0B0
Inverted#993290

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D0BD68no red cones; affects about 1% of men; ΔE 45.6 from the original
Deuteranopia#C2B475no green cones; the most common form, about 1% of men; ΔE 45.5 from the original
Tritanopia#55C9B7no blue cones; rare, and affects men and women equally; ΔE 40.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.99:1WCAG large text: Fail
Contrast with black, large text10.53:1WCAG large text: AAA

Named colours

Light green · ΔE 12.4Pale green · ΔE 16.2Medium seagreen · ΔE 16.4Forest green · ΔE 25.1Medium spring green · ΔE 25.4Limegreen · ΔE 29.7
Nearest named CSS colourLight green (#90EE90)ΔE 12.36, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD66C4
Analogous#91CD66, #66CDA2
Triadic#6F66CD, #CD6F66
Split complementary#A266CD, #CD6691
Tetradic#6691CD, #CD66C4, #CDA366

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9F3DC
Lighter +20%#B3E6B7
Lighter +10%#8CDA93
Darker −10%#40C04B
Darker −20%#329B3C
Darker −30%#26742D
Darker −40%#194E1E
More saturated +25%#4DE65A
Less saturated −25%#7FB484

Channel breakdown

R102
G205
B111
Red102 (40%)
Green205 (80.4%)
Blue111 (43.5%)
Hue125.24°
Saturation (HSL)50.74%
Lightness60.2%
Dominant channelGreen
Hex per channelR 66 · G CD · B 6F

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Every value on this page was computed from “66cd6f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.