White Screen
Display a full-screen white color. Useful for checking screen uniformity, dead pixels, backlight bleed, and color accuracy on white backgrounds.
#FFFFFF
Uses for white screen
Dead pixel detection: look for pixels that do not display white correctly.
Screen uniformity: check for uneven brightness or color patches.
Backlight bleed: especially visible on dark and solid color screens (LCD).
Color accuracy: compare how white looks versus reference images.