I've been following some online tutorials to create a spacey/nebula style effect. It all looks great until I come to coloring the "clouds". For some massively frustrating reason i cant seem to get the brushes to add anything but white clouds, I just want to add spacey colors and its driving me insane that I can't seem to find out what I'm doing wrong.
Um.... okay, it's a little hard to tell what your trouble is, but I'm guessing here are my guesses for what's going on.
-Your image might be grayscale (check image>mode)
-You could be painting on a layer matte by accident. (Look in the layers panel.)
-You could be using a blend mode like Screen, in which light colors can come out white (check the blend mode option on the brush toolbar)
-You could be painting on a LAYER whose blend mode is screen, which would have the same effect.
Um... you could be accidentally erasing?
It sounds like you rendered some clouds and now you want them to be different colors--I would set your brush to Hue mode and pick a color you like, that way you won't disturb the clouds themselves.