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Recognised as Colour

#66F779

  • #66F779
  • Green
  • Light
  • Nearest: Spring green

#66F779 is a green with RGB values 102, 247, 121 and HSL 128°, 90%, 68%. It is a light colour, so black text on it reaches 15.1:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#66F779#66F779
HEX#66F779
RGBrgb(102, 247, 121)
RGB (0–1)0.4, 0.9686, 0.4745
RGB percentages40%, 96.9%, 47.5%
HSLhsl(127.9, 90.1%, 68.4%)
HSV / HSBhsv(127.9, 58.7%, 96.9%)
CMYK58.7%, 0%, 51%, 3.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,748,025
CSS custom property--colour: #66F779;

Brightness & contrast

Relative luminance0.70727WCAG 2.x, 0 is black and 1 is white
Perceived brightness201.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.15:1
Contrast with white1.39:1WCAG normal text: Fail
Contrast with black15.15:1WCAG normal text: AAA
Greyscale equivalent#CFCFCF
Inverted#990886

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FAE36Eno red cones; affects about 1% of men; ΔE 58.9 from the original
Deuteranopia#E8D682no green cones; the most common form, about 1% of men; ΔE 59.2 from the original
Tritanopia#46F1DAno blue cones; rare, and affects men and women equally; ΔE 52.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.39:1WCAG large text: Fail
Contrast with black, large text15.15:1WCAG large text: AAA

Named colours

Spring green · ΔE 13Medium spring green · ΔE 17.6Pale green · ΔE 19.1Limegreen · ΔE 19.7Light green · ΔE 21.3Yellow green · ΔE 33.4
Nearest named CSS colourSpring green (#00FF7F)ΔE 13, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F766E4
Analogous#9CF766, #66F7C1
Triadic#7966F7, #F77966
Split complementary#C166F7, #F7669C
Tetradic#669CF7, #F766E4, #F7C166

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F7FFF8
Lighter +20%#C7FCCE
Lighter +10%#96FAA3
Darker −10%#36F44F
Darker −20%#0CEB29
Darker −30%#0ABA21
Darker −40%#078A18
More saturated +25%#5EFF73
Less saturated −25%#7AE388

Channel breakdown

R102
G247
B121
Red102 (40%)
Green247 (96.9%)
Blue121 (47.5%)
Hue127.86°
Saturation (HSL)90.06%
Lightness68.43%
Dominant channelGreen
Hex per channelR 66 · G F7 · B 79

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Every value on this page was computed from “66f779” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.