You can use Alex The Trainer 0.14.3 skin because it very bright and simple. Before, you will be a typical boy in minecraft PE 0.14.3. He will be dressed in modern clothes, mostly red tones.
It will be a red baseball cap and a bright yellow backpack. It is a pity that there just does not add up items. But this issue is solved with the help of modification. In the meantime, you can download Alex The Trainer skin for Minecraft 0.14.3 and start using it. In any case, it is a very bright character. You can install it using blocklauncher.