You can set the overall color tone by adjusting the Color Temp of Epson EH-LS12000B. setting if the image is too bluish or reddish.
1. Turn on the projector and switch to the image source you want to use.
2. Press the [Menu] button on the control panel or remote control.
3. Select the Image menu and press [Enter].
4. Select White Balance > Color Temp. and press [Enter].
5. Use the left and right arrow buttons to adjust the color tone of the image. Higher values tint the image blue and lower values tint the image red.
6. Press [Menu] or [Esc] to exit the menus
Read more:
Epson EH-LS12000B Projector Contrast Ratio Adjusting Guide