Answer: 5/9 (I am not sure if it is right don't take my word for it just incase if you want to do it at your own risk)
Explanation:
There is a 8 main wyas 3 colors, 3 numbers, head or tails
if you are not spinning red it's 2 colors you can get
if you want to flip tails that is one
if you don't want to spin an even number there is 2 other numbers
2+2+1=5
5/9 is your chance or 0.5(5 is repeating)