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Recognised as Colour

#66FD12

  • #66FD12
  • Green
  • Light
  • Nearest: Lawn green

#66FD12 is a green with RGB values 102, 253, 18 and HSL 99°, 98%, 53%. It is a light colour, so black text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Lawn green.

Colour values

#66FD12#66FD12
HEX#66FD12
RGBrgb(102, 253, 18)
RGB (0–1)0.4, 0.9922, 0.0706
RGB percentages40%, 99.2%, 7.1%
HSLhsl(98.6, 98.3%, 53.1%)
HSV / HSBhsv(98.6, 92.9%, 99.2%)
CMYK59.7%, 0%, 92.9%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,749,458
CSS custom property--colour: #66FD12;

Brightness & contrast

Relative luminance0.73119WCAG 2.x, 0 is black and 1 is white
Perceived brightness201.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.62:1
Contrast with white1.34:1WCAG normal text: Fail
Contrast with black15.62:1WCAG normal text: AAA
Greyscale equivalent#CCCCCC
Inverted#9902ED

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE600no red cones; affects about 1% of men; ΔE 64.5 from the original
Deuteranopia#F3DA3Dno green cones; the most common form, about 1% of men; ΔE 66.7 from the original
Tritanopia#55F4D7no blue cones; rare, and affects men and women equally; ΔE 85 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.34:1WCAG large text: Fail
Contrast with black, large text15.62:1WCAG large text: AAA

Named colours

Lawn green · ΔE 6.1Chartreuse · ΔE 6.3Lime · ΔE 12.7Green yellow · ΔE 21.4Limegreen · ΔE 27.4Spring green · ΔE 36
Nearest named CSS colourLawn green (#7CFC00)ΔE 6.06, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A912FD
Analogous#DCFD12, #12FD33
Triadic#1266FD, #FD1266
Split complementary#3312FD, #FD12DC
Tetradic#12DCFD, #A912FD, #FD3312

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9FFDC
Lighter +30%#C8FEAA
Lighter +20%#A7FE77
Lighter +10%#87FD45
Darker −10%#4FDA02
Darker −20%#3DA801
Darker −30%#2A7501
Darker −40%#184201
More saturated +25%#65FF10
Less saturated −25%#6FDF30

Channel breakdown

R102
G253
B18
Red102 (40%)
Green253 (99.2%)
Blue18 (7.1%)
Hue98.55°
Saturation (HSL)98.33%
Lightness53.14%
Dominant channelGreen
Hex per channelR 66 · G FD · B 12

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Every value on this page was computed from “66fd12” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.