why the same color looks different on different android devices

Question

I find lots of colors look different on different android devices. For example, if I set #fff8f5ea as the background color of a View and run the app on different devices, I

Answer 1

Every piece of hardware will render the primary colours used in the individual pixels at different intensities.

The display driver also implements colour profiles, sometimes user definable, which alter those intensities.

I can load an image on my Galaxy S3 and chose a different profile under Settings->Display->Screen mode to render the image in different colour spaces.

Answer 2

Most likely, the devices use a different screen type.

Colors vary between LCDs, LEDs and other screen types because of the way the screen is built.

For example, some screens will turn pixels of completely to display black, while some will show a shade of grey.