Hi!
So I've made a little animation of 6 seconds with paint splattering and text. I've tried to colorize the paint, but only the border and the background gets colorized. I've tried with many techniques: colorama, hue and saturation and curves. It makes the same result with each effect. I've also tried to put the effect on every layer instead of only on an adjustement layer.
Info on the project: The text is white. The blend mode of all the paint splatter layers are add and the track matte are alpha inverted on the text (I've made a lot of copies of the text). Here are screen captures:
This is without colorizing.
This is with colorizing:
This is a paint splatter layer exemple:
I use after effects cs6 on windows 7 64-bit. If you need more information to help me, tell me and I'll give you! Thanks!