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Recognised as Colour

#66E703

  • #66E703
  • Green
  • Light
  • Nearest: Lawn green

#66E703 is a green with RGB values 102, 231, 3 and HSL 94°, 97%, 46%. It is a light colour, so black text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Lawn green.

Colour values

#66E703#66E703
HEX#66E703
RGBrgb(102, 231, 3)
RGB (0–1)0.4, 0.9059, 0.0118
RGB percentages40%, 90.6%, 1.2%
HSLhsl(93.9, 97.4%, 45.9%)
HSV / HSBhsv(93.9, 98.7%, 90.6%)
CMYK55.8%, 0%, 98.7%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,743,811
CSS custom property--colour: #66E703;

Brightness & contrast

Relative luminance0.59983WCAG 2.x, 0 is black and 1 is white
Perceived brightness185.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13:1
Contrast with white1.62:1WCAG normal text: Fail
Contrast with black13:1WCAG normal text: AAA
Greyscale equivalent#BBBBBB
Inverted#9918FC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#EFD200no red cones; affects about 1% of men; ΔE 60.6 from the original
Deuteranopia#DFC833no green cones; the most common form, about 1% of men; ΔE 59.9 from the original
Tritanopia#5BDEC4no blue cones; rare, and affects men and women equally; ΔE 80.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.62:1WCAG large text: Fail
Contrast with black, large text13:1WCAG large text: AAA

Named colours

Lawn green · ΔE 9.4Chartreuse · ΔE 10.7Green yellow · ΔE 17.6Limegreen · ΔE 19.7Lime · ΔE 21Yellow green · ΔE 31.5
Nearest named CSS colourLawn green (#7CFC00)ΔE 9.44, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8403E7
Analogous#D8E703, #03E712
Triadic#0366E7, #E70366
Split complementary#1203E7, #E703D8
Tetradic#03D8E7, #8403E7, #E71203

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6FEB8
Lighter +30%#BAFD86
Lighter +20%#9DFD53
Lighter +10%#80FC21
Darker −10%#50B502
Darker −20%#3A8202
Darker −30%#235001
Darker −40%#0D1E00
More saturated +25%#66EA00
Less saturated −25%#6ACA20

Channel breakdown

R102
G231
B3
Red102 (40%)
Green231 (90.6%)
Blue3 (1.2%)
Hue93.95°
Saturation (HSL)97.44%
Lightness45.88%
Dominant channelGreen
Hex per channelR 66 · G E7 · B 03

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Every value on this page was computed from “66e703” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.