SANTA BARBARA, Calif. — Nicole Fonseca, a 39-year-old Detroiter who studied fashion design at Central Michigan University, was tasked with color and interior design on the redesigned 2019 Nissan Altima. Nissan was clearly pleased with the results — it promoted her into color management for Nissan globally, working from the headquarters in Japan. Fonseca's responsibilities include making color decisions for Nissan's emerging-markets Datsun brand.