Hi @Motionbones ,
If you really want to go super fancy, you can go advanced and model a Bone shape as a Mesh and then use the Custom Shape Option to display the Bone as that Mesh and then you can fully Render your Bones with Materials in Cycles or EEVEE:

Alternatively, you can Install the UI Animation Render Addon (Get Extensions), which Renders the whole UI as you see it:
