This is a poster for the musical singing in the rain. The main poster colour scheme is a range of blues. when we think of blue we think of cold as it is a cold colour and i think this works well for the singing in the rain poster.
scale and proportion to create mood - use of large type to be playful. The large O's frame the faces in the design, making you focus on them. The faces are smiling creating a mood of happiness and playfulness.