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Recognised as Colour

#66E386

  • #66E386
  • Green
  • Light
  • Nearest: Light green

#66E386 is a green with RGB values 102, 227, 134 and HSL 135°, 69%, 65%. It is a light colour, so black text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Light green.

Colour values

#66E386#66E386
HEX#66E386
RGBrgb(102, 227, 134)
RGB (0–1)0.4, 0.8902, 0.5255
RGB percentages40%, 89%, 52.5%
HSLhsl(135.4, 69.1%, 64.5%)
HSV / HSBhsv(135.4, 55.1%, 89%)
CMYK55.1%, 0%, 41%, 11%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,742,918
CSS custom property--colour: #66E386;

Brightness & contrast

Relative luminance0.59484WCAG 2.x, 0 is black and 1 is white
Perceived brightness188.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.9:1
Contrast with white1.63:1WCAG normal text: Fail
Contrast with black12.9:1WCAG normal text: AAA
Greyscale equivalent#C2C2C2
Inverted#991C79

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E5D27Fno red cones; affects about 1% of men; ΔE 50.8 from the original
Deuteranopia#D4C68Cno green cones; the most common form, about 1% of men; ΔE 51.1 from the original
Tritanopia#48DFCCno blue cones; rare, and affects men and women equally; ΔE 39 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.63:1WCAG large text: Fail
Contrast with black, large text12.9:1WCAG large text: AAA

Named colours

Light green · ΔE 9.8Pale green · ΔE 11.7Medium spring green · ΔE 17.3Medium seagreen · ΔE 20.6Spring green · ΔE 26.2Aquamarine · ΔE 28.9
Nearest named CSS colourLight green (#90EE90)ΔE 9.83, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E366C3
Analogous#84E366, #66E3C5
Triadic#8666E3, #E38666
Split complementary#C566E3, #E36684
Tetradic#6684E3, #E366C3, #E3C566

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E7FBEC
Lighter +20%#BCF3CA
Lighter +10%#91EBA8
Darker −10%#3BDB64
Darker −20%#23C04B
Darker −30%#1B953A
Darker −40%#136A29
More saturated +25%#4FFA7B
Less saturated −25%#7DCC91

Channel breakdown

R102
G227
B134
Red102 (40%)
Green227 (89%)
Blue134 (52.5%)
Hue135.36°
Saturation (HSL)69.06%
Lightness64.51%
Dominant channelGreen
Hex per channelR 66 · G E3 · B 86

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Every value on this page was computed from “66e386” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.