Lowe's is offering a free half-pint paint or stain sample through their MyLowe's Rewards account. Customers can access this offer by logging into their account and checking the 'Offers' section. The offer includes a choice between Cabot, HGTV Home by Sherwin-Williams, Valspar, or STAINMASTER Performance paint or stain. No purchase is necessary to avail of this free sample​.