Curtain Lid

What color goes with this one in my bathroom?

I Just got periwinkle bathroom rugs to match my shower curtain which has sort of periwinkle like a light green in it and white mosaic print. They are all out of the lids to go over my toilet in the periwinkle color but was wondering would like a capri blue go with that or should I just go with the white? I just dont like white as it gets dirty easy. do you think another different color blue would go with the periwinkle rugs? Pls advise asap thanks

Blue would be fine, unless you can match the green accents. Try to stay generally within the pastel range.