I got this on super-sale when an Internet store was closing. Burdock was one of the few colours left. I grabbed it, hoping for nothing, really - the pictures of it looked so much darker than it really is. I'm about an NC20 right now and the colour Burdock is a pretty good match! Suited for NC20, but maybe even an NC15. It is quite a yellow colour, which is perfect for me. I would say it looks neutral-ish on pictures on different sites, but I would definitely say that it's yellow-toned, not neutral: it leans very slightly orange. I was first wondering If I should have bought the Custard foundation, but I think it might have been too yellow for me after seeing Burdock. I just want to mention: Burdock was described as a PINK toned colour...
I use it as a concealer, not like a foundation because I only need light coverage all over my face and medium on my blemishes. I also think this foundation might be a bit too dry for my dryish skin - it sets a little powdery - it's definitely matte on me. As I said, I don't wear it as a foundation and have actually never tried it all over my face, so I can't say anything about that other than that the pan this comes in is rather small, so I don't know how long it would last... it works well as a concealer on blemishes though, and the amount will last a long time if you use it for that. I didn't actually want to buy a concealer to conceal with because I've heard that Yaby's concealers are VERY small (dime-sized) and might be a little dry and accentuate dry skin, which I often get.
The foundation/concealer gives about medium/full coverage and wears well on me, lasting most of the day. From what I've seen with blemishes, if you want to wear it all over your face, it might look a little bit visible - at least to me. Otherwise, it has no smell an doesn't seem to irritate my sensitive skin.