Amazfit Watch faces

I have figured out how to build watchfaces for the Bip. However, the resolution doesn't look great even on the larger numbers. I create my graphics in Adobe Illustrator and then export at 96dpi. What is the best practice for making watchface graphics? Perhaps I should be building the graphics in Adobe Photoshop? Any advice would be appreciated. Thanks

1、Don't use anti aliasing (don't use smooth edges)

2、Use these 8 colors：

（255，0，0）、（0，255，0）、（0，0，255）、（255，255，0）、（0，255，255）、（255，0，255）、（255，255，255）、（0，0，0）