Color3 is a type and a namespace.
// Namespace usage exampleColor3.add(blue, red) // sum component by component resulting pink// Type usage exampleconst readonlyBlue: Color3 = Color3.Blue()readonlyBlue.r = 0.1 // this FAILS// For mutable usage, use `Color3.Mutable`const blue: Color3.Mutable = Color3.Blue()blue.r = 0.1 // this WORKS
Color3 is a type and a namespace.