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Recognised as Colour

#66AF56

  • #66AF56
  • Green
  • Dark
  • Nearest: Medium seagreen

#66AF56 is a green with RGB values 102, 175, 86 and HSL 109°, 36%, 51%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#66AF56#66AF56
HEX#66AF56
RGBrgb(102, 175, 86)
RGB (0–1)0.4, 0.6863, 0.3373
RGB percentages40%, 68.6%, 33.7%
HSLhsl(109.2, 35.7%, 51.2%)
HSV / HSBhsv(109.2, 50.9%, 68.6%)
CMYK41.7%, 0%, 50.9%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,729,558
CSS custom property--colour: #66AF56;

Brightness & contrast

Relative luminance0.34157WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.83:1
Contrast with white2.68:1WCAG normal text: Fail
Contrast with black7.83:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#9950A9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B3A24Eno red cones; affects about 1% of men; ΔE 36.4 from the original
Deuteranopia#A99B5Cno green cones; the most common form, about 1% of men; ΔE 36.6 from the original
Tritanopia#60AA9Ano blue cones; rare, and affects men and women equally; ΔE 39.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.68:1WCAG large text: Fail
Contrast with black, large text7.83:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 16.2Forest green · ΔE 18.5Olivedrab · ΔE 19.6Light green · ΔE 22.3Sea green · ΔE 22.8Green · ΔE 24.9
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 16.16, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F56AF
Analogous#93AF56, #56AF72
Triadic#5666AF, #AF5666
Split complementary#7256AF, #AF5693
Tetradic#5693AF, #9F56AF, #AF7256

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E3F1E0
Lighter +30%#C4E0BE
Lighter +20%#A5D09B
Lighter +10%#85BF79
Darker −10%#518F43
Darker −20%#3D6C33
Darker −30%#2A4923
Darker −40%#162712
More saturated +25%#52CE37
Less saturated −25%#7A9075

Channel breakdown

R102
G175
B86
Red102 (40%)
Green175 (68.6%)
Blue86 (33.7%)
Hue109.21°
Saturation (HSL)35.74%
Lightness51.18%
Dominant channelGreen
Hex per channelR 66 · G AF · B 56

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Every value on this page was computed from “66af56” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.