This principle is widely used

MichaelCap

Creating a harmonious interior is both a science and an art. The strategic use of warm and cool colors can completely transform a space, giving it a sense of balance, depth, and personality <a href="https://www.tumblr.com/fggmedia/782508771474882560/art-in-a-childs-room-how-to-do-it-well-by">https://www.tumblr.com/fggmedia/782508771474882560/art-in-a-childs-room-how-to-do-it-well-by</a>