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Recognised as Colour

#66EC73

  • #66EC73
  • Green
  • Light
  • Nearest: Spring green

#66EC73 is a green with RGB values 102, 236, 115 and HSL 126°, 78%, 66%. It is a light colour, so black text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#66EC73#66EC73
HEX#66EC73
RGBrgb(102, 236, 115)
RGB (0–1)0.4, 0.9255, 0.451
RGB percentages40%, 92.5%, 45.1%
HSLhsl(125.8, 77.9%, 66.3%)
HSV / HSBhsv(125.8, 56.8%, 92.5%)
CMYK56.8%, 0%, 51.3%, 7.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,745,203
CSS custom property--colour: #66EC73;

Brightness & contrast

Relative luminance0.64053WCAG 2.x, 0 is black and 1 is white
Perceived brightness193.2 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.81:1
Contrast with white1.52:1WCAG normal text: Fail
Contrast with black13.81:1WCAG normal text: AAA
Greyscale equivalent#C7C7C7
Inverted#99138C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F0D968no red cones; affects about 1% of men; ΔE 56.2 from the original
Deuteranopia#DECD7Cno green cones; the most common form, about 1% of men; ΔE 56 from the original
Tritanopia#4CE7D0no blue cones; rare, and affects men and women equally; ΔE 50.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.52:1WCAG large text: Fail
Contrast with black, large text13.81:1WCAG large text: AAA

Named colours

Spring green · ΔE 16.7Pale green · ΔE 16.8Light green · ΔE 18.1Medium spring green · ΔE 18.3Limegreen · ΔE 19.1Yellow green · ΔE 30.7
Nearest named CSS colourSpring green (#00FF7F)ΔE 16.69, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EC66DF
Analogous#9CEC66, #66ECB6
Triadic#7366EC, #EC7366
Split complementary#B666EC, #EC669C
Tetradic#669CEC, #EC66DF, #ECB666

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EEFDF0
Lighter +20%#C1F7C6
Lighter +10%#93F29D
Darker −10%#39E649
Darker −20%#1AD22C
Darker −30%#14A522
Darker −40%#0F7719
More saturated +25%#53FF64
Less saturated −25%#7CD784

Channel breakdown

R102
G236
B115
Red102 (40%)
Green236 (92.5%)
Blue115 (45.1%)
Hue125.82°
Saturation (HSL)77.91%
Lightness66.27%
Dominant channelGreen
Hex per channelR 66 · G EC · B 73

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Every value on this page was computed from “66ec73” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.