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Colour

#66C217

  • #66C217
  • Green
  • Dark
  • Nearest: Limegreen

#66C217 is a green with RGB values 102, 194, 23 and HSL 92°, 79%, 43%. It is a dark colour, so black text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#66C217#66C217
HEX#66C217
RGBrgb(102, 194, 23)
RGB (0–1)0.4, 0.7608, 0.0902
RGB percentages40%, 76.1%, 9%
HSLhsl(92.3, 78.8%, 42.5%)
HSV / HSBhsv(92.3, 88.1%, 76.1%)
CMYK47.4%, 0%, 88.1%, 23.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,734,359
CSS custom property--colour: #66C217;

Brightness & contrast

Relative luminance0.4147WCAG 2.x, 0 is black and 1 is white
Perceived brightness158.9 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#A2A2A2
Inverted#993DE8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C9B100no red cones; affects about 1% of men; ΔE 47.6 from the original
Deuteranopia#BDAA30no green cones; the most common form, about 1% of men; ΔE 46.9 from the original
Tritanopia#63BAA5no blue cones; rare, and affects men and women equally; ΔE 68.1 from the original
Distinguishable without hueShifts in lightness toonever 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

Limegreen · ΔE 15.6Yellow green · ΔE 16Green yellow · ΔE 26Lawn green · ΔE 29.7Green · ΔE 29.8Forest green · ΔE 29.9
Nearest named CSS colourLimegreen (#32CD32)ΔE 15.55, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7317C2
Analogous#BBC217, #17C21E
Triadic#1766C2, #C21766
Split complementary#1E17C2, #C217BB
Tetradic#17BBC2, #7317C2, #C21E17

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D0F6AF
Lighter +30%#B5F082
Lighter +20%#9AEB54
Lighter +10%#7FE527
Darker −10%#4E9412
Darker −20%#36670C
Darker −30%#1E3907
Darker −40%#060C01
More saturated +25%#64D900
Less saturated −25%#68A732

Channel breakdown

R102
G194
B23
Red102 (40%)
Green194 (76.1%)
Blue23 (9%)
Hue92.28°
Saturation (HSL)78.8%
Lightness42.55%
Dominant channelGreen
Hex per channelR 66 · G C2 · B 17

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Every value on this page was computed from “66c217” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.