I created a JFrame
and set the color to white with setBackground(Color.WHITE)
, but the color is not white but a bit gray.

I created a JFrame
and set the color to white with setBackground(Color.WHITE)
, but the color is not white but a bit gray.
Doing frame.setBackground()
won't work. You need to do it like this:
frame.getContentPane().setBackground(Color.white);