how do I do this in PS?

[BenWall]

I want to fade the colours to black so it blends in...

Thanks

 

[furry_cup]

u want to fade the bottom angled colours out the further they move away from the vertical?

 

[BenWall]

I am just using this pic as an example, all I want to do is blend the black into the colours from top to bottom. I dont know how to do it using PS.

 

[AhmedRSi]

Look up "photoshop masking tutorials"