I used to never use colored text and I thought it was tacky, but lately I've been using colors for the purpose of drawing attention to dialogue and I've begun to appreciate when other people do too, especially in big roleplays with a lot a different or complicated things happening, it helps me remember who's who and who said what, especially when I'm going back and referencing past posts (I'm talking pages ago) and searching for something that some character said at some point. So yeah, not especially for or against it. I like it so far as dialogue goes, if it was a whole post though, or a post filled with tons of different colors, I think that would be too distracting (sort of like when people put a bunch of pictures in their IC posts, like if you want to have one little one at the top that's fine, but posting a picture or gif every other paragraph is really distracting and I think takes away from the beauty of written word.)

All things in moderation, I guess. If someone asked me not to post in colored text, I would comply. I rather like it now though.