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Recognised as Colour

#66BE89

  • #66BE89
  • Green
  • Dark
  • Nearest: Medium aquamarine

#66BE89 is a green with RGB values 102, 190, 137 and HSL 144°, 40%, 57%. It is a dark colour, so black text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#66BE89#66BE89
HEX#66BE89
RGBrgb(102, 190, 137)
RGB (0–1)0.4, 0.7451, 0.5373
RGB percentages40%, 74.5%, 53.7%
HSLhsl(143.9, 40.4%, 57.3%)
HSV / HSBhsv(143.9, 46.3%, 74.5%)
CMYK46.3%, 0%, 27.9%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,733,449
CSS custom property--colour: #66BE89;

Brightness & contrast

Relative luminance0.41458WCAG 2.x, 0 is black and 1 is white
Perceived brightness162.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.29:1
Contrast with white2.26:1WCAG normal text: Fail
Contrast with black9.29:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#994176

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BDB286no red cones; affects about 1% of men; ΔE 36 from the original
Deuteranopia#B0A98Cno green cones; the most common form, about 1% of men; ΔE 36.3 from the original
Tritanopia#51BCB0no blue cones; rare, and affects men and women equally; ΔE 22.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.26:1WCAG large text: Fail
Contrast with black, large text9.29:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 11.7Medium seagreen · ΔE 12.3Dark seagreen · ΔE 14.8Sea green · ΔE 19Aquamarine · ΔE 24.4Light green · ΔE 25.5
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 11.66, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BE669B
Analogous#6FBE66, #66BEB5
Triadic#8966BE, #BE8966
Split complementary#B566BE, #BE666F
Tetradic#666FBE, #BE669B, #BEB566

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F5FBF7
Lighter +30%#D1ECDC
Lighter +20%#AEDCC0
Lighter +10%#8ACDA5
Darker −10%#48A96F
Darker −20%#398557
Darker −30%#296240
Darker −40%#1A3E28
More saturated +25%#4BD983
Less saturated −25%#81A38F

Channel breakdown

R102
G190
B137
Red102 (40%)
Green190 (74.5%)
Blue137 (53.7%)
Hue143.86°
Saturation (HSL)40.37%
Lightness57.25%
Dominant channelGreen
Hex per channelR 66 · G BE · B 89

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Every value on this page was computed from “66be89” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.