How to get a value for admin css color either gray or blue

This can be retrieved with $color = get_user_option('admin_color');, just don’t forget to check for empty return and default to something in that case.

Native color schemes are called fresh (grey) and classic (blue).

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)