Simple cool color picture

Quick answer：

A simple cool color picture typically features a color palette dominated by cool hues such as blues, greens, and purples. These colors are often associated with calmness, serenity, and a sense of tranquility. Such images may be used for relaxation, meditation, or to evoke a peaceful mood. In the context of graphic design, they are known for their ability to create a refreshing and soothing visual experience.