Whenever I like and inspired by an artist, I like to study and understand why I like their work so much. These are a few reasons why I love Rex Ray:
1. Very graphic and abstract.
2. Great value separation between each shape. Great positive negative shape.
3. Very pleasing color. Variety within split complementary.
As you're finding out who you are as an artist, it's fun to experiment by implementing things from artist you're inspired from.
tips -- Remember that it is okay to be inspired and implement what you like, but NEVER copy it verbatim. (unless you're doing a master copy for exercising).
These are some of his work as inspiration for my 'Kitty Dream House', a painting I did for Art Block for Ghana.
And my painting
And as an I-phone case. :)