The phrase 'adjacent color coffee color matching matching' refers to a color scheme in design where coffee-colored shades are paired with colors that are next to each other on the color wheel. This technique is often used to create harmonious and soothing palettes. Adjacent colors are those that are located next to each other on the color wheel, like orange and yellow or blue and green. When used in coffee-colored shades, this approach can result in a cozy and inviting aesthetic.