"You may come upon instances where the previous ways of specifying colors do not work. This can sometimes happen in some of the deeper, stranger levels of the code. When all else fails, the universal language of colors for matplotlib is the RGB[A] tuple. This is the \"Red\", \"Green\", \"Blue\", and sometimes \"Alpha\" tuple of floats in the range of [0, 1]. One means full saturation of that channel, so a red RGBA tuple would be `(1.0, 0.0, 0.0, 1.0)`, whereas a partly transparent green RGBA tuple would be `(0.0, 1.0, 0.0, 0.75)`. The documentation will usually specify whether it accepts RGB or RGBA tuples. Sometimes, a list of tuples would be required for multiple colors, and you can even supply a Nx3 or Nx4 numpy array in such cases.\n",

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