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Colour

#66AD7B

  • #66AD7B
  • Green
  • Dark
  • Nearest: Dark seagreen

#66AD7B is a green with RGB values 102, 173, 123 and HSL 138°, 30%, 54%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Dark seagreen.

Colour values

#66AD7B#66AD7B
HEX#66AD7B
RGBrgb(102, 173, 123)
RGB (0–1)0.4, 0.6784, 0.4824
RGB percentages40%, 67.8%, 48.2%
HSLhsl(137.7, 30.2%, 53.9%)
HSV / HSBhsv(137.7, 41%, 67.8%)
CMYK41%, 0%, 28.9%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,729,083
CSS custom property--colour: #66AD7B;

Brightness & contrast

Relative luminance0.34142WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.7 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#9A9A9A
Inverted#995284

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ADA278no red cones; affects about 1% of men; ΔE 31.2 from the original
Deuteranopia#A29B7Eno green cones; the most common form, about 1% of men; ΔE 31.2 from the original
Tritanopia#59ABA0no blue cones; rare, and affects men and women equally; ΔE 21.7 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

Dark seagreen · ΔE 11.9Sea green · ΔE 15Medium seagreen · ΔE 15.7Medium aquamarine · ΔE 15.8Light seagreen · ΔE 25.5Dark olivegreen · ΔE 29.5
Nearest named CSS colourDark seagreen (#8FBC8F)ΔE 11.94, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AD6698
Analogous#75AD66, #66AD9F
Triadic#7B66AD, #AD7B66
Split complementary#9F66AD, #AD6675
Tetradic#6675AD, #AD6698, #AD9F66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBF4EE
Lighter +30%#CAE2D1
Lighter +20%#A8D1B4
Lighter +10%#87BF98
Darker −10%#4E9262
Darker −20%#3C714C
Darker −30%#2B4F35
Darker −40%#192E1F
More saturated +25%#49CA6F
Less saturated −25%#839087

Channel breakdown

R102
G173
B123
Red102 (40%)
Green173 (67.8%)
Blue123 (48.2%)
Hue137.75°
Saturation (HSL)30.21%
Lightness53.92%
Dominant channelGreen
Hex per channelR 66 · G AD · B 7B

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Every value on this page was computed from “66ad7b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.