Use accent color for compose button

[avrhmt]

Is your feature request related to a problem? Please describe. Currently, The Compose button appears in the same color as the background. that makes it blend in with the timeline it floats on, which is less desirable from UI/UX perspective as well as leading to accidental touches.

Describe the solution you'd like I would like the compose button to have the same accent color as the other buttons. that will make it stand out clearly as UI item.

Describe alternatives you've considered I do not see any other alternatives as long as the compose button is floating

Additional context Twitter and other apps with floating buttons have the floating button match the app's accent color

[creohn]

Since all the other icons have a line-design it would also be nice, if the floating button would be in the same style