There are three main color modes in Xodo: day mode, night mode and sepia.
1. Tap on the View Mode option in the overflow menu of the toolbar.
2. In the Color Mode row, select between the day mode, night mode and sepia modes. As you select these modes, they will be automatically shown in the viewer.
4. Select between different color modes. If you wish to edit one, you may tap the Edit button which appears below the selected color mode.
5. Use the color wheel and slider to select the desired colors. Use the Background Color and Text Color selectors to switch between the two color mode colors.