The settings in the theme development/tweaker can be overridden by the theme, sometimes with a colour assignment within the theme code, or an image. In this case its an image; toolbar_blank.png ...and also, optionally, composite_toolbar_overlay.png.
Replace those images with ones you prefer, or edit them in a bitmap editor, or delete them to use the colours you set in the theme development/tweaker.
The settings in the theme development/tweaker can be overridden by the theme, sometimes with a colour assignment within the theme code, or an image. In this case its an image; toolbar_blank.png ...and also, optionally, composite_toolbar_overlay.png.
Replace those images with ones you prefer, or edit them in a bitmap editor, or delete them to use the colours you set in the theme development/tweaker.