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Recognised as Colour

#66E459

  • #66E459
  • Green
  • Light
  • Nearest: Limegreen

#66E459 is a green with RGB values 102, 228, 89 and HSL 114°, 72%, 62%. It is a light colour, so black text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#66E459#66E459
HEX#66E459
RGBrgb(102, 228, 89)
RGB (0–1)0.4, 0.8941, 0.349
RGB percentages40%, 89.4%, 34.9%
HSLhsl(114.4, 72%, 62.2%)
HSV / HSBhsv(114.4, 61%, 89.4%)
CMYK55.3%, 0%, 61%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,743,129
CSS custom property--colour: #66E459;

Brightness & contrast

Relative luminance0.59033WCAG 2.x, 0 is black and 1 is white
Perceived brightness185.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.81:1
Contrast with white1.64:1WCAG normal text: Fail
Contrast with black12.81:1WCAG normal text: AAA
Greyscale equivalent#BFBFBF
Inverted#991BA6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E9D149no red cones; affects about 1% of men; ΔE 55.8 from the original
Deuteranopia#D9C664no green cones; the most common form, about 1% of men; ΔE 55.5 from the original
Tritanopia#54DDC6no blue cones; rare, and affects men and women equally; ΔE 58.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.64:1WCAG large text: Fail
Contrast with black, large text12.81:1WCAG large text: AAA

Named colours

Limegreen · ΔE 12Spring green · ΔE 19.6Pale green · ΔE 23.6Light green · ΔE 24.6Yellow green · ΔE 25.7Medium spring green · ΔE 26.2
Nearest named CSS colourLimegreen (#32CD32)ΔE 11.96, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D759E4
Analogous#ACE459, #59E491
Triadic#5966E4, #E45966
Split complementary#9159E4, #E459AC
Tetradic#59ACE4, #D759E4, #E49159

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DFF9DD
Lighter +20%#B7F2B1
Lighter +10%#8EEB85
Darker −10%#3EDD2D
Darker −20%#2DB91E
Darker −30%#228D17
Darker −40%#176110
More saturated +25%#52FC41
Less saturated −25%#7ACC71

Channel breakdown

R102
G228
B89
Red102 (40%)
Green228 (89.4%)
Blue89 (34.9%)
Hue114.39°
Saturation (HSL)72.02%
Lightness62.16%
Dominant channelGreen
Hex per channelR 66 · G E4 · B 59

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Every value on this page was computed from “66e459” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.