solved [HELP] Gradients problem

[Alcooliks ;x]

Hello everyone!  When I try to put a gradient in photoshop every time it turns gray / black or white. Any advice on what I could do to see other colors besides these on the gradient?

 

Edited July 1, 2020 by K#Nz0
i solved the problem.

[nanelu]

In the upside bar go to Edit -> Mode -> RGB Color.