How does James turrell use colour and light in his paintings?

James Turrell employs color and light in his works to create immersive experiences that alter perception and challenge viewers' understanding of space. He often uses artificial light to manipulate the atmosphere within his installations, allowing colors to shift and evolve based on the viewer's position and movement. This interaction encourages a meditative state, inviting contemplation on the nature of light itself and its impact on human perception. Through these techniques, Turrell transforms simple elements into profound explorations of perception and reality.