It is called the "key".
A Legend :)
legend
legend
legend
legend
legend
legend
legend
pattern of colors
The legend identifies the colors that represent the bars.
Color Depth
Yes, colors, patterns, and fabrics.
Yes, the Furby Boom Cubes can be found in different patterns and colors. One of those patterns would be "Festive Sweater Patterns" which is a mix of white and cyan.