Colores(2017)

Tito, a blind boy who leaves the city to spend a few days in an inland town in Alicante with his grandmother Fina, whom he did not know. There he finds the selfless friendship of Candela and Patuchas, her dog, with whom he knows the simplicity of living in the countryside, the freedom and strength of being able to fend for himself regardless of his disability.

Official site