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Recognised as Colour

#66CF55

  • #66CF55
  • Green
  • Dark
  • Nearest: Limegreen

#66CF55 is a green with RGB values 102, 207, 85 and HSL 112°, 56%, 57%. It is a dark colour, so black text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

Colour values

#66CF55#66CF55
HEX#66CF55
RGBrgb(102, 207, 85)
RGB (0–1)0.4, 0.8118, 0.3333
RGB percentages40%, 81.2%, 33.3%
HSLhsl(111.6, 56%, 57.3%)
HSV / HSBhsv(111.6, 58.9%, 81.2%)
CMYK50.7%, 0%, 58.9%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,737,749
CSS custom property--colour: #66CF55;

Brightness & contrast

Relative luminance0.48106WCAG 2.x, 0 is black and 1 is white
Perceived brightness170.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.62:1
Contrast with white1.98:1WCAG normal text: Fail
Contrast with black10.62:1WCAG normal text: AAA
Greyscale equivalent#B0B0B0
Inverted#9930AA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D4BE48no red cones; affects about 1% of men; ΔE 48.9 from the original
Deuteranopia#C6B55Fno green cones; the most common form, about 1% of men; ΔE 48.6 from the original
Tritanopia#5AC9B5no blue cones; rare, and affects men and women equally; ΔE 52.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.98:1WCAG large text: Fail
Contrast with black, large text10.62:1WCAG large text: AAA

Named colours

Limegreen · ΔE 17.6Light green · ΔE 19.2Pale green · ΔE 20.5Yellow green · ΔE 22.4Forest green · ΔE 25.2Spring green · ΔE 27.3
Nearest named CSS colourLimegreen (#32CD32)ΔE 17.65, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BE55CF
Analogous#A3CF55, #55CF81
Triadic#5566CF, #CF5566
Split complementary#8155CF, #CF55A3
Tetradic#55A3CF, #BE55CF, #CF8155

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F5FCF4
Lighter +30%#D1F1CC
Lighter +20%#AEE5A5
Lighter +10%#8ADA7D
Darker −10%#48BC35
Darker −20%#39942A
Darker −30%#296C1F
Darker −40%#1A4513
More saturated +25%#52EA3A
Less saturated −25%#7AB470

Channel breakdown

R102
G207
B85
Red102 (40%)
Green207 (81.2%)
Blue85 (33.3%)
Hue111.64°
Saturation (HSL)55.96%
Lightness57.25%
Dominant channelGreen
Hex per channelR 66 · G CF · B 55

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Every value on this page was computed from “66cf55” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.