There is a great feature on Galaxy Note3 for those who have difficulty reading the display, by adjusting the colors. It optimizes the screen for color blind users and show you the colors you have no difficulty with.
To start Color Adjustment Process on Galaxy Note 3, do as follows:
1. Open Settings application and go to Device tab
2. Tap on Accessibility.
3. Under Vision settings, enable Colour Adjustment and tap to open it
4. Read the instruction and tap Start to begin the process