Warm colors. The small sun and the big sun below the hot spots can only be turned into warm colors in western languages to protect the eyes, and red light and yellow light can produce soft light. This will reduce the damage of blue light to our eyes to some extent. The eye protection mode on the machine generally refers to filtering out the blue light on the screen, so it will turn yellow when seen by the naked eye. The more blue light is filtered, the yellower the screen is. The root cause of the eye injury of AMOLED screen is PWM dimming, that is, the screen flicker in low brightness is obviously not a problem, and the eye protection mode has no effect on it.