The new Overleaf UI uses the same color for everything in the sidebar and menu bar, meaning that it is hard to visually distinguish anything elements from each other. Additionally, the dark color contrasts too much with the white page text in the only given dark UI theme. It would be nice to have a UI theme for higher contrast which would better differentiate elements on the sidebar/title bar, or one that's similar to how the old UI used to look like which uses a lighter gray color for the UI.
New theme:

Old theme:

This is especially prevalent when using the same theme and code UI color - everything is kind of the same shade of white making it harder to navigate:

The new Overleaf UI uses the same color for everything in the sidebar and menu bar, meaning that it is hard to visually distinguish anything elements from each other. Additionally, the dark color contrasts too much with the white page text in the only given dark UI theme. It would be nice to have a UI theme for higher contrast which would better differentiate elements on the sidebar/title bar, or one that's similar to how the old UI used to look like which uses a lighter gray color for the UI.
New theme:

Old theme:

This is especially prevalent when using the same theme and code UI color - everything is kind of the same shade of white making it harder to navigate:
