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Recognised as Colour

#12FF66

  • #12FF66
  • Green
  • Light
  • Nearest: Spring green

#12FF66 is a green with RGB values 18, 255, 102 and HSL 141°, 100%, 54%. It is a light colour, so black text on it reaches 15.5:1 contrast (AAA for normal text). The nearest named colour is Spring green.

Colour values

#12FF66#12FF66
HEX#12FF66
RGBrgb(18, 255, 102)
RGB (0–1)0.0706, 1, 0.4
RGB percentages7.1%, 100%, 40%
HSLhsl(141.3, 100%, 53.5%)
HSV / HSBhsv(141.3, 92.9%, 100%)
CMYK92.9%, 0%, 60%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,245,030
CSS custom property--colour: #12FF66;

Brightness & contrast

Relative luminance0.72608WCAG 2.x, 0 is black and 1 is white
Perceived brightness198.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.52:1
Contrast with white1.35:1WCAG normal text: Fail
Contrast with black15.52:1WCAG normal text: AAA
Greyscale equivalent#C2C2C2
Inverted#ED0099

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE755no red cones; affects about 1% of men; ΔE 73.3 from the original
Deuteranopia#EBD773no green cones; the most common form, about 1% of men; ΔE 74.3 from the original
Tritanopia#00F9DEno blue cones; rare, and affects men and women equally; ΔE 64 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.35:1WCAG large text: Fail
Contrast with black, large text15.52:1WCAG large text: AAA

Named colours

Spring green · ΔE 11.3Limegreen · ΔE 20.4Lime · ΔE 26Medium spring green · ΔE 27.1Lawn green · ΔE 29.5Chartreuse · ΔE 30.2
Nearest named CSS colourSpring green (#00FF7F)ΔE 11.35, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF12AB
Analogous#35FF12, #12FFDC
Triadic#6612FF, #FF6612
Split complementary#DC12FF, #FF1235
Tetradic#1235FF, #FF12AB, #FFDC12

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEFFEA
Lighter +30%#ABFFC9
Lighter +20%#78FFA8
Lighter +10%#45FF87
Darker −10%#00DE4F
Darker −20%#00AB3D
Darker −30%#00782B
Darker −40%#004518
More saturated +25%#12FF66
Less saturated −25%#30E16F

Channel breakdown

R18
G255
B102
Red18 (7.1%)
Green255 (100%)
Blue102 (40%)
Hue141.27°
Saturation (HSL)100%
Lightness53.53%
Dominant channelGreen
Hex per channelR 12 · G FF · B 66

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Every value on this page was computed from “12ff66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.