As part of our on-going “Humanity Style Icons” series, lots of users have mentioned wanting to change their DropBox tray icons. Currently this is not possible, and affects users of all Operating Systems – not just Linux!
If you want the option to change the icons there is a vote happening on the DropBox website’s “VoteBox” section, a place where users can suggest and vote on ideas for DropBox. It’s a lot like Ubuntu Brainstorm.
If you want to vote for changing DropBox’s tray icons you can do so at the following link. Note that you will need to sign in using your DropBox account to cast a vote.
Alternatively another solution is for the option to hide the tray icon altogether. You can find that idea at the following link: -