With warm weather come naked feet in need of grooming. The newest nail colors correspond to fashion’s current obsession with intense hues and dizzying art patterns. These primary and secondary colors from Priti Organic Spa (red, $12.50; 35 E. 1st St., nr. Second Ave.; 212-254-3628) and OPI (green, blue, yellow, and orange, $7.99 each at the Hair Shop, 2259 Broadway, at 81st St.; 212-721-2829) are perfectly balanced, opaque, not glittery, and high gloss, all of which makes for some stylishly candied toes. For shoes to expose them, click ahead.