A color chart colors

Some color charts have more colors then others, but you can always remember R.O.Y G. B.I.V. Red Orange Yellow Green Blue Indigo Violet. Here are the colors in a color wheel:

Yellow, orange-yellow, orange, red-orange, red, violet-red, violet, blue-violet, blue, blue-green, green, yellow green.

Other color wheels look like this:

Hope it helped! Probably too much info but . . .