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Colour

#66BB55

  • #66BB55
  • Green
  • Dark
  • Nearest: Forest green

#66BB55 is a green with RGB values 102, 187, 85 and HSL 110°, 43%, 53%. It is a dark colour, so black text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Forest green.

Colour values

#66BB55#66BB55
HEX#66BB55
HEX (short)#6B5
RGBrgb(102, 187, 85)
RGB (0–1)0.4, 0.7333, 0.3333
RGB percentages40%, 73.3%, 33.3%
HSLhsl(110, 42.9%, 53.3%)
HSV / HSBhsv(110, 54.5%, 73.3%)
CMYK45.5%, 0%, 54.5%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,732,629
CSS custom property--colour: #66BB55;

Brightness & contrast

Relative luminance0.39021WCAG 2.x, 0 is black and 1 is white
Perceived brightness156.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.8:1
Contrast with white2.39:1WCAG normal text: Fail
Contrast with black8.8:1WCAG normal text: AAA
Greyscale equivalent#A2A2A2
Inverted#9944AA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C0AC4Bno red cones; affects about 1% of men; ΔE 41.8 from the original
Deuteranopia#B4A55Cno green cones; the most common form, about 1% of men; ΔE 41.1 from the original
Tritanopia#5EB6A4no blue cones; rare, and affects men and women equally; ΔE 44.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.39:1WCAG large text: Fail
Contrast with black, large text8.8:1WCAG large text: AAA

Named colours

Forest green · ΔE 18.7Light green · ΔE 18.9Medium seagreen · ΔE 19.5Pale green · ΔE 22.7Olivedrab · ΔE 23.2Green · ΔE 24.3
Nearest named CSS colourForest green (#228B22)ΔE 18.71, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA55BB
Analogous#99BB55, #55BB77
Triadic#5566BB, #BB5566
Split complementary#7755BB, #BB5599
Tetradic#5599BB, #AA55BB, #BB7755

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9F5E7
Lighter +30%#C8E7C2
Lighter +20%#A8D89E
Lighter +10%#87CA79
Darker −10%#4F9E3F
Darker −20%#3D7931
Darker −30%#2B5522
Darker −40%#183113
More saturated +25%#52D937
Less saturated −25%#7A9D73

Channel breakdown

R102
G187
B85
Red102 (40%)
Green187 (73.3%)
Blue85 (33.3%)
Hue110°
Saturation (HSL)42.86%
Lightness53.33%
Dominant channelGreen
Hex per channelR 66 · G BB · B 55

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Every value on this page was computed from “66bb55” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.