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Colour

#66DA00

  • #66DA00
  • Green
  • Light
  • Nearest: Lawn green

#66DA00 is a green with RGB values 102, 218, 0 and HSL 92°, 100%, 43%. It is a light colour, so black text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Lawn green.

Colour values

#66DA00#66DA00
HEX#66DA00
RGBrgb(102, 218, 0)
RGB (0–1)0.4, 0.8549, 0
RGB percentages40%, 85.5%, 0%
HSLhsl(91.9, 100%, 42.7%)
HSV / HSBhsv(91.9, 100%, 85.5%)
CMYK53.2%, 0%, 100%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,740,480
CSS custom property--colour: #66DA00;

Brightness & contrast

Relative luminance0.52968WCAG 2.x, 0 is black and 1 is white
Perceived brightness176.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.59:1
Contrast with white1.81:1WCAG normal text: Fail
Contrast with black11.59:1WCAG normal text: AAA
Greyscale equivalent#B2B2B2
Inverted#9925FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E2C600no red cones; affects about 1% of men; ΔE 56.6 from the original
Deuteranopia#D3BD2Fno green cones; the most common form, about 1% of men; ΔE 55.8 from the original
Tritanopia#5ED2B9no blue cones; rare, and affects men and women equally; ΔE 77.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.81:1WCAG large text: Fail
Contrast with black, large text11.59:1WCAG large text: AAA

Named colours

Lawn green · ΔE 15.4Limegreen · ΔE 16.3Chartreuse · ΔE 16.6Green yellow · ΔE 18Yellow green · ΔE 25.9Lime · ΔE 27.1
Nearest named CSS colourLawn green (#7CFC00)ΔE 15.36, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7400DA
Analogous#D3DA00, #00DA07
Triadic#0066DA, #DA0066
Split complementary#0700DA, #DA00D3
Tetradic#00D3DA, #7400DA, #DA0700

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0FFA7
Lighter +30%#B5FF74
Lighter +20%#9AFF41
Lighter +10%#7FFF0E
Darker −10%#4EA700
Darker −20%#367400
Darker −30%#1E4100
Darker −40%#070E00
More saturated +25%#66DA00
Less saturated −25%#68BF1B

Channel breakdown

R102
G218
B0
Red102 (40%)
Green218 (85.5%)
Blue0 (0%)
Hue91.93°
Saturation (HSL)100%
Lightness42.75%
Dominant channelGreen
Hex per channelR 66 · G DA · B 00

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Every value on this page was computed from “66da00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.