Because you said you have thick legs, it is best to choose cropped trousers, with high tops to cover up your shortcomings

I think beige cropped trousers will match better. , or light blue jeans (not baggy), and a white or dark blue T-shirt on the upper body is OK. Of course, it’s okay to match it with other colors as long as it’s suitable, but I think such a set looks more interesting. .