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Recognised as Colour

#66CF86

  • #66CF86
  • Green
  • Dark
  • Nearest: Medium seagreen

#66CF86 is a green with RGB values 102, 207, 134 and HSL 138°, 52%, 61%. It is a dark colour, so black text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#66CF86#66CF86
HEX#66CF86
RGBrgb(102, 207, 134)
RGB (0–1)0.4, 0.8118, 0.5255
RGB percentages40%, 81.2%, 52.5%
HSLhsl(138.3, 52.2%, 60.6%)
HSV / HSBhsv(138.3, 50.7%, 81.2%)
CMYK50.7%, 0%, 35.3%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,737,798
CSS custom property--colour: #66CF86;

Brightness & contrast

Relative luminance0.49172WCAG 2.x, 0 is black and 1 is white
Perceived brightness174.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.83:1
Contrast with white1.94:1WCAG normal text: Fail
Contrast with black10.83:1WCAG normal text: AAA
Greyscale equivalent#B3B3B3
Inverted#993079

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D0C081no red cones; affects about 1% of men; ΔE 43.6 from the original
Deuteranopia#C1B68Bno green cones; the most common form, about 1% of men; ΔE 43.8 from the original
Tritanopia#4ECCBCno blue cones; rare, and affects men and women equally; ΔE 30.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.94:1WCAG large text: Fail
Contrast with black, large text10.83:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 10.8Light green · ΔE 14.7Pale green · ΔE 19Medium aquamarine · ΔE 20.6Aquamarine · ΔE 24.1Dark seagreen · ΔE 24.7
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 10.83, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF66AF
Analogous#7BCF66, #66CFBA
Triadic#8666CF, #CF8666
Split complementary#BA66CF, #CF667B
Tetradic#667BCF, #CF66AF, #CFBB66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DAF4E2
Lighter +20%#B4E7C3
Lighter +10%#8DDBA5
Darker −10%#3FC367
Darker −20%#319E52
Darker −30%#25773E
Darker −40%#19502A
More saturated +25%#4DE87C
Less saturated −25%#7FB690

Channel breakdown

R102
G207
B134
Red102 (40%)
Green207 (81.2%)
Blue134 (52.5%)
Hue138.29°
Saturation (HSL)52.24%
Lightness60.59%
Dominant channelGreen
Hex per channelR 66 · G CF · B 86

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Every value on this page was computed from “66cf86” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.