I think that’s up to you as the artist and what your own aesthetic preferences are. Well, first off let me say that I don’t know if there is a hard and fast “rule” that you never use white when watercoloring. So if that’s the case…how do you make pastel colors, right? You might have heard that when painting with watercolors, white is not used. If you’ve ever wondered about how to make pastel colors using watercolors, I’m sharing all about it in this blog post.