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Recognised as Colour

#66E689

  • #66E689
  • Green
  • Light
  • Nearest: Light green

#66E689 is a green with RGB values 102, 230, 137 and HSL 136°, 72%, 65%. It is a light colour, so black text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Light green.

Colour values

#66E689#66E689
HEX#66E689
RGBrgb(102, 230, 137)
RGB (0–1)0.4, 0.902, 0.5373
RGB percentages40%, 90.2%, 53.7%
HSLhsl(136.4, 71.9%, 65.1%)
HSV / HSBhsv(136.4, 55.7%, 90.2%)
CMYK55.7%, 0%, 40.4%, 9.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,743,689
CSS custom property--colour: #66E689;

Brightness & contrast

Relative luminance0.61225WCAG 2.x, 0 is black and 1 is white
Perceived brightness190.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.24:1
Contrast with white1.59:1WCAG normal text: Fail
Contrast with black13.24:1WCAG normal text: AAA
Greyscale equivalent#C4C4C4
Inverted#991976

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E7D582no red cones; affects about 1% of men; ΔE 51.1 from the original
Deuteranopia#D6C98Fno green cones; the most common form, about 1% of men; ΔE 51.4 from the original
Tritanopia#46E2CFno blue cones; rare, and affects men and women equally; ΔE 38.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.59:1WCAG large text: Fail
Contrast with black, large text13.24:1WCAG large text: AAA

Named colours

Light green · ΔE 10Pale green · ΔE 11.4Medium spring green · ΔE 16.3Medium seagreen · ΔE 21.4Spring green · ΔE 25.5Aquamarine · ΔE 28.6
Nearest named CSS colourLight green (#90EE90)ΔE 10.05, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E666C3
Analogous#83E666, #66E6C9
Triadic#8966E6, #E68966
Split complementary#C966E6, #E66683
Tetradic#6683E6, #E666C3, #E6C966

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EAFBEE
Lighter +20%#BEF4CD
Lighter +10%#92EDAB
Darker −10%#3ADF67
Darker −20%#20C64E
Darker −30%#199A3C
Darker −40%#126E2B
More saturated +25%#50FC7F
Less saturated −25%#7CD093

Channel breakdown

R102
G230
B137
Red102 (40%)
Green230 (90.2%)
Blue137 (53.7%)
Hue136.41°
Saturation (HSL)71.91%
Lightness65.1%
Dominant channelGreen
Hex per channelR 66 · G E6 · B 89

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Every value on this page was computed from “66e689” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.