... paint, paper making, building materials, food, and printing.Specifications:l Lighting conditions: d/0l Spectrum conditions: overall response is equivalent ... l Color: X, Y, Z; Y, x, y; L*, a*, b*; L, a, b; L*, u*, v*; L*, c*, h*l Color difference: Δ E (L*a*b*); ΔE (Lab); ΔE (L ... *u*v*); ΔL*, ΔC*, ΔH*l Whiteness ...