Optifine help

[F16]

How do you make the back of your cape the same as the front. Ex. This front -

http://www.needcoolshoes.com/banner?=eapveteF
How would I make the black that same color blue?

I've been wondering for a while, answers greatly appreciated.

 

[F16]

I don't believe this is possible with capes also the black is not very noticeable.

I saw someone do it with red but it doesn't matter i got a black one :>

 

[Extend]

Just incase you want to know you change the part that says "Bottom and Top" to the HEX color (6 digits) code which you can find using photoshop eye drop tool or i'm sure there's more programs to do so.