Default Colors
If no colors are specified for a Series and no theme has been applied, the following colors will be used, in left-to-right order:

#2F7ED8  | #0D233A  | #8BBC21  | #910000  | #1AADCE  | #492970  | #F28F43  | #77A1E5  | #C42525  | #A6C96A  | 
If more than ten colors are needed, colors will be re-used, starting from the left again.
 New for 14.1 Or, enter the token @Gradient to use a gradient fill to represent the data. For more information, see   New for 14.1Gradient Style.