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Recognised as Colour

#66B972

  • #66B972
  • Green
  • Dark
  • Nearest: Medium seagreen

#66B972 is a green with RGB values 102, 185, 114 and HSL 129°, 37%, 56%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#66B972#66B972
HEX#66B972
RGBrgb(102, 185, 114)
RGB (0–1)0.4, 0.7255, 0.4471
RGB percentages40%, 72.5%, 44.7%
HSLhsl(128.7, 37.2%, 56.3%)
HSV / HSBhsv(128.7, 44.9%, 72.5%)
CMYK44.9%, 0%, 38.4%, 27.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,732,146
CSS custom property--colour: #66B972;

Brightness & contrast

Relative luminance0.38738WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.75:1
Contrast with white2.4:1WCAG normal text: Fail
Contrast with black8.75:1WCAG normal text: AAA
Greyscale equivalent#A2A2A2
Inverted#99468D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BBAC6Dno red cones; affects about 1% of men; ΔE 37.4 from the original
Deuteranopia#AFA476no green cones; the most common form, about 1% of men; ΔE 37.5 from the original
Tritanopia#59B6A7no 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 text2.4:1WCAG large text: Fail
Contrast with black, large text8.75:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 9.4Sea green · ΔE 19Dark seagreen · ΔE 19.9Light green · ΔE 20.8Medium aquamarine · ΔE 21.4Pale green · ΔE 25.6
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 9.36, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B966AD
Analogous#84B966, #66B99B
Triadic#7266B9, #B97266
Split complementary#9B66B9, #B96684
Tetradic#6684B9, #B966AD, #B99B66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2F9F3
Lighter +30%#CFE9D3
Lighter +20%#ACD9B2
Lighter +10%#89C992
Darker −10%#4AA257
Darker −20%#3A7F44
Darker −30%#2A5C31
Darker −40%#1A391F
More saturated +25%#4AD55E
Less saturated −25%#829D86

Channel breakdown

R102
G185
B114
Red102 (40%)
Green185 (72.5%)
Blue114 (44.7%)
Hue128.67°
Saturation (HSL)37.22%
Lightness56.27%
Dominant channelGreen
Hex per channelR 66 · G B9 · B 72

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Every value on this page was computed from “66b972” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.