Blue and orange color matching classic cases

Quick answer：

The 'Blue and orange color matching classic cases' refer to instances where the combination of blue and orange colors has been used effectively in design, fashion, marketing, or other fields. This color scheme can evoke a sense of energy and balance. Classic examples include the logo of McDonald's, which uses a blue and orange color scheme, and the interior design of certain fast-food restaurants that employ these colors to create a vibrant yet friendly atmosphere.