Color
The colors that the Workbench uses to render objects can be changed.
Reference
Panel:
Render ‣ Color
Material:
Use the color that can be set per material in the Viewport Display Material panel.
Object:
Use the color that can be set per object in the Viewport Display Object panel.
Attribute:
Display the active Color Attribute of an object. When an object has no active Color Attribute it will be rendered in the color set in the Viewport Display Object panel.
Single:
Render the whole scene using a single color. The color can be chosen.
Random:
A random color will be selected for every object in the scene.
Texture:
Display the active texture using the active UV mapping coordinates. When an object has no active texture the object will be rendered with the settings in the Viewport Display Material panel.