Can you change the background colour in sms. I hate the white, its way too bright.

[AC Question]

Can you change the sms themes or speech bubbles. Thanks

 

[Tim1954]

Depends on your device and software. Open messages, tap settings and if you see the option, change it. I have a deep water dive pic on mine with a deep blue colour.
Failing that, you may find some themes on play store.