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Recognised as Colour

#12FF51

  • #12FF51
  • Green
  • Light
  • Nearest: Lime

#12FF51 is a green with RGB values 18, 255, 81 and HSL 136°, 100%, 54%. It is a light colour, so black text on it reaches 15.4:1 contrast (AAA for normal text). The nearest named colour is Lime.

Colour values

#12FF51#12FF51
HEX#12FF51
RGBrgb(18, 255, 81)
RGB (0–1)0.0706, 1, 0.3176
RGB percentages7.1%, 100%, 31.8%
HSLhsl(135.9, 100%, 53.5%)
HSV / HSBhsv(135.9, 92.9%, 100%)
CMYK92.9%, 0%, 68.2%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,245,009
CSS custom property--colour: #12FF51;

Brightness & contrast

Relative luminance0.72243WCAG 2.x, 0 is black and 1 is white
Perceived brightness197.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.45:1
Contrast with white1.36:1WCAG normal text: Fail
Contrast with black15.45:1WCAG normal text: AAA
Greyscale equivalent#C0C0C0
Inverted#ED00AE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#FFE637no red cones; affects about 1% of men; ΔE 75 from the original
Deuteranopia#EDD762no green cones; the most common form, about 1% of men; ΔE 76 from the original
Tritanopia#00F8DCno blue cones; rare, and affects men and women equally; ΔE 71.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.36:1WCAG large text: Fail
Contrast with black, large text15.45:1WCAG large text: AAA

Named colours

Lime · ΔE 17.5Spring green · ΔE 19.9Limegreen · ΔE 22Lawn green · ΔE 23.4Chartreuse · ΔE 24Green yellow · ΔE 33.6
Nearest named CSS colourLime (#00FF00)ΔE 17.47, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF12C0
Analogous#4AFF12, #12FFC7
Triadic#5112FF, #FF5112
Split complementary#C712FF, #FF124A
Tetradic#124AFF, #FF12C0, #FFC712

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEFFE7
Lighter +30%#ABFFC1
Lighter +20%#78FF9C
Lighter +10%#45FF76
Darker −10%#00DE3B
Darker −20%#00AB2D
Darker −30%#007820
Darker −40%#004512
More saturated +25%#12FF51
Less saturated −25%#30E15F

Channel breakdown

R18
G255
B81
Red18 (7.1%)
Green255 (100%)
Blue81 (31.8%)
Hue135.95°
Saturation (HSL)100%
Lightness53.53%
Dominant channelGreen
Hex per channelR 12 · G FF · B 51

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Every value on this page was computed from “12ff51” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.