They may be lake blue, but I wouldn't recommend wearing them to any lake of any color..

Copper Druzy/ Drusy Ear Post Stud Earrings Round Lake Blue AB Color W/ Stoppers 16mm( 5/8") x 14mm( 4/8"), Post/ Wire Size: (21 gauge), 1 Pair (B77319)

Material: Copper & Resin

Color: Lake Blue

Note: Size is approximate. Color discrepancies may occur between this product and your computer screen.