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Colour

#66FF12

  • #66FF12
  • Green
  • Light
  • Nearest: Lawn green

#66FF12 is a green with RGB values 102, 255, 18 and HSL 99°, 100%, 54%. It is a light colour, so black text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Lawn green.

Colour values

#66FF12#66FF12
HEX#66FF12
RGBrgb(102, 255, 18)
RGB (0–1)0.4, 1, 0.0706
RGB percentages40%, 100%, 7.1%
HSLhsl(98.7, 100%, 53.5%)
HSV / HSBhsv(98.7, 92.9%, 100%)
CMYK60%, 0%, 92.9%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,749,970
CSS custom property--colour: #66FF12;

Brightness & contrast

Relative luminance0.74388WCAG 2.x, 0 is black and 1 is white
Perceived brightness203.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.88:1
Contrast with white1.32:1WCAG normal text: Fail
Contrast with black15.88:1WCAG normal text: AAA
Greyscale equivalent#CDCDCD
Inverted#9900ED

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE700no red cones; affects about 1% of men; ΔE 64.6 from the original
Deuteranopia#F4DB3Dno green cones; the most common form, about 1% of men; ΔE 67.3 from the original
Tritanopia#54F6D9no blue cones; rare, and affects men and women equally; ΔE 85.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.32:1WCAG large text: Fail
Contrast with black, large text15.88:1WCAG large text: AAA

Named colours

Lawn green · ΔE 6.5Chartreuse · ΔE 6.6Lime · ΔE 12.1Green yellow · ΔE 21.9Limegreen · ΔE 28.3Spring green · ΔE 36.4
Nearest named CSS colourLawn green (#7CFC00)ΔE 6.52, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB12FF
Analogous#DCFF12, #12FF35
Triadic#1266FF, #FF1266
Split complementary#3512FF, #FF12DC
Tetradic#12DCFF, #AB12FF, #FF3512

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAFFDE
Lighter +30%#C9FFAB
Lighter +20%#A8FF78
Lighter +10%#87FF45
Darker −10%#4FDE00
Darker −20%#3DAB00
Darker −30%#2B7800
Darker −40%#184500
More saturated +25%#66FF12
Less saturated −25%#6FE130

Channel breakdown

R102
G255
B18
Red102 (40%)
Green255 (100%)
Blue18 (7.1%)
Hue98.73°
Saturation (HSL)100%
Lightness53.53%
Dominant channelGreen
Hex per channelR 66 · G FF · B 12

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Every value on this page was computed from “66ff12” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.