No one loves a light colour canvas shopper for Summer more than me but, IME with Chanel, I'd be a bit worried about those pearls falling off the Deauville - and that's before I'd worry about keeping it clean.
The 19 is cute and edgy. Doesn't have to be Summer only. It's got enough personality of its own, but also classic enough.
This particular deuville I would only recommend considering in different color. Even though I do not like Chanel 19 bag style, but if you do then I also recommend getting the 19 bag. You will get more use.