Atmospheric Perspective

Atmospheric Perspective is the name given to the natural effect of distance on colours.

Here is an example from Three Sisters: Atmospheric Perspective in the Blue Mountains, a scene in the Blue Mountains, about 90 minutes drive west of Sydney.

Exploring Atmospheric Perspective in the famous 'Three Sisters', an iconic Australian scene. \o// Excerpt from the painting coaching at Inglis Academy - www.inglisacademy.com
Let's take a vertical section of this scene in order to more clearly see what nature does to colour.

Exploring Atmospheric Perspective in the famous 'Three Sisters', an iconic Australian scene. \o// Excerpt from the painting coaching at Inglis Academy - www.inglisacademy.com
Notice how the olive green becomes a blue green in the distance! Same trees, same day, different colour.