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Recognised as Colour

#66A384

  • #66A384
  • Green
  • Dark
  • Nearest: Dark seagreen

#66A384 is a green with RGB values 102, 163, 132 and HSL 150°, 25%, 52%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dark seagreen.

Colour values

#66A384#66A384
HEX#66A384
RGBrgb(102, 163, 132)
RGB (0–1)0.4, 0.6392, 0.5176
RGB percentages40%, 63.9%, 51.8%
HSLhsl(149.5, 24.9%, 52%)
HSV / HSBhsv(149.5, 37.4%, 63.9%)
CMYK37.4%, 0%, 19%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,726,532
CSS custom property--colour: #66A384;

Brightness & contrast

Relative luminance0.30685WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.14:1
Contrast with white2.94:1WCAG normal text: Fail
Contrast with black7.14:1WCAG normal text: AAA
Greyscale equivalent#949494
Inverted#995C7B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A19B82no red cones; affects about 1% of men; ΔE 25.1 from the original
Deuteranopia#979486no green cones; the most common form, about 1% of men; ΔE 25.5 from the original
Tritanopia#58A39Ano blue cones; rare, and affects men and women equally; ΔE 12.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.94:1WCAG large text: Fail
Contrast with black, large text7.14:1WCAG large text: AAA

Named colours

Dark seagreen · ΔE 13.1Medium aquamarine · ΔE 17.8Cadetblue · ΔE 18.8Sea green · ΔE 19.6Light seagreen · ΔE 19.8Dark cyan · ΔE 21.8
Nearest named CSS colourDark seagreen (#8FBC8F)ΔE 13.1, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A36685
Analogous#66A366, #66A3A3
Triadic#8466A3, #A38466
Split complementary#A366A3, #A36666
Tetradic#6666A3, #A36685, #A3A366

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5F0EA
Lighter +30%#C6DCD1
Lighter +20%#A6C9B7
Lighter +10%#86B69E
Darker −10%#50866B
Darker −20%#3D6651
Darker −30%#2A4638
Darker −40%#17261E
More saturated +25%#47C283
Less saturated −25%#848484

Channel breakdown

R102
G163
B132
Red102 (40%)
Green163 (63.9%)
Blue132 (51.8%)
Hue149.51°
Saturation (HSL)24.9%
Lightness51.96%
Dominant channelGreen
Hex per channelR 66 · G A3 · B 84

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Every value on this page was computed from “66a384” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.