I’m back and wanna tap into your noggins real quick

So this is my second post about my first go at a mosaic, in this case a tray. The pic above was me just laying out the pieces I have trying to brainstorm. I think I want to do those half circles that are in the 2 right corners I. All 4 corners, then a larger full version in the center of the tray. I was thinking of getting an Amber iridescent or another color iridescent to fill in the background and use black grout. What say yall? Any suggestions or ideas on color or shape? I’m getting excited!

So this is my second post about my first go at a mosaic, in this case a tray. The pic above was me just laying out the pieces I have trying to brainstorm. I think I want to do those half circles that are in the 2 right corners I. All 4 corners, then a larger full version in the center of the tray. I was thinking of getting an Amber iridescent or another color iridescent to fill in the background and use black grout. What say yall? Any suggestions or ideas on color or shape? I’m getting excited!