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Colour

#66FF83

  • #66FF83
  • Green
  • Light
  • Nearest: Spring green

#66FF83 is a green with RGB values 102, 255, 131 and HSL 131°, 100%, 70%. It is a light colour, so black text on it reaches 16.2:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#66FF83#66FF83
HEX#66FF83
RGBrgb(102, 255, 131)
RGB (0–1)0.4, 1, 0.5137
RGB percentages40%, 100%, 51.4%
HSLhsl(131.4, 100%, 70%)
HSV / HSBhsv(131.4, 60%, 100%)
CMYK60%, 0%, 48.6%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,750,083
CSS custom property--colour: #66FF83;

Brightness & contrast

Relative luminance0.75983WCAG 2.x, 0 is black and 1 is white
Perceived brightness207.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.2:1
Contrast with white1.3:1WCAG normal text: Fail
Contrast with black16.2:1WCAG normal text: AAA
Greyscale equivalent#D6D6D6
Inverted#99007C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFEA79no red cones; affects about 1% of men; ΔE 59.6 from the original
Deuteranopia#EEDD8Cno green cones; the most common form, about 1% of men; ΔE 60.6 from the original
Tritanopia#3FFAE2no blue cones; rare, and affects men and women equally; ΔE 51 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.3:1WCAG large text: Fail
Contrast with black, large text16.2:1WCAG large text: AAA

Named colours

Spring green · ΔE 11.4Medium spring green · ΔE 15.8Pale green · ΔE 19.3Light green · ΔE 22Limegreen · ΔE 22.4Yellow green · ΔE 36.3
Nearest named CSS colourSpring green (#00FF7F)ΔE 11.4, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF66E2
Analogous#96FF66, #66FFD0
Triadic#8366FF, #FF8366
Split complementary#D066FF, #FF6695
Tetradic#6695FF, #FF66E2, #FFD066

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#CCFFD6
Lighter +10%#99FFAC
Darker −10%#33FF5A
Darker −20%#00FF30
Darker −30%#00CC27
Darker −40%#00991D
More saturated +25%#66FF83
Less saturated −25%#79EC8F

Channel breakdown

R102
G255
B131
Red102 (40%)
Green255 (100%)
Blue131 (51.4%)
Hue131.37°
Saturation (HSL)100%
Lightness70%
Dominant channelGreen
Hex per channelR 66 · G FF · B 83

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Every value on this page was computed from “66ff83” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.