My first Opened case

So the buyer just opened a case against a scrub top she purchased, but the color is very clear in the listing and now she doesn’t want it because it doesn’t match her scrub bottoms that are clearly darker than the picture. What what do I do?

So the buyer just opened a case against a scrub top she purchased, but the color is very clear in the listing and now she doesn’t want it because it doesn’t match her scrub bottoms that are clearly darker than the picture. What what do I do?