Top Color Selection Guide
On Single Color Characters select "None", the "Base Color" will be your Color.
On Outline Characters the "Top Color" is is the color in the center of the Character. RED is the top color on the example of an Outline effect shown above.
On 3D Characters the "Top Color" is the predominant color of the Character. BLUE is the top color on the example of a 3D effect shown above.
On Two Tone Characters the "Top Color" is the predominant color at the top of the Character. YELLOW is top color on the example of Two Tone effect shown above.