Gray-blue balls appearing from a dense dense blue massGray-blue balls appearing from a dense dense blue mass
White-blue prickly background of numerous small blue trianglesWhite-blue prickly background of numerous small blue triangles
White cathedral with green, blue domes on the shoreWhite cathedral with green, blue domes on the shore
Blue background, abstractions and shapes for peace of mindBlue background, abstractions and shapes for peace of mind