It's Nice That on Instagram: "@PAC_NYC, the performing arts centre at ground zero, has debuted its branding by @Porto_Rocha. The Perelman Performing Arts Center building is windowless; a 129,000-square cube in terracotta and white. Its branding, on the other hand, has colour in spades; searing orange, pink and yellow break through the system at multiple points. While the PAC building, a cultural space at ground zero, could afford, and needed to be simple, enclosed, reverent almost, the…