Your nails are painted silver; your lipstick is cherry red; and your dress is midnight black. But your hair? Same old, same old. Expand your 'do's spectrum and shine with today's deal from Sylvestre Franc Day Spa & Hair Colour Group: Pay $199 (regularly $399) for a Keratin Complex by Coppola session; $125 (regularly $250) for a Keratin Express by Coppola treatment; or $62 (regularly $125) for a haircut and single-process color. The good people at this 30-years-tenured salon along Centre Street know that a haircut is also about the experience. They offer complimentary valet parking, easy access in the downtown Newton Center, and an experienced staff ready to help your locks reach their full potential -- whether with glittering, summery highlights, or frizz-free hair (via the formaldehyde-free keratin treatment) that may potentially last up to 16 weeks. Succumb to these half-off savings by booking an appointment between Monday and Saturday, and transform your hair into your most vibrant accessory.