Enumerations, lists or character name arrays

There are three different ways to set the colorscale:

• RGB: red - green - blue.
• RWB: red - white - blue.
• BLK_W: dark grey - light grey.

There are sixteen colors in the colormap, along with black, for seventeen total colors. They are: blue, red, grey, orange, yellow, tan, silver, green, white pink, cyan, purple, lime, mauve, ochre, iceblue, and black.