I like to be complimented about things I made or did. Intention is key -- if someone compliments me on something I am, rather than something I meant to do, I often miss that it's a compliment and take it as more of a general observation / conversation starter, as if it were a comment on something else I had nothing to do with, like the weather. (I do recognize the very common general compliments and respond to them appropriately, but that's because they're social scripts and not because they feel like compliments.)
If the comment's specific enough, it doesn't even need to be positive for me to take it as a compliment. You were interested in the thing and examined it closely and understood at least bits of it and then stayed interested enough to want to talk about it! That's great! Even if what you're saying is "I don't think these colors here quite work together. Do you think something with more contrast might look better?" I will eat it up with a spoon.