Atmospheric perspective is the technique that creates depth by the way the air between us and distant objects scatters light. As distance increases, particles in the air—dust and moisture—scatter shorter wavelengths of light more, making far objects look bluer and lighter while reducing detail and contrast. This shift toward cooler, paler tones helps the eye read depth in a scene, with near objects staying sharp and saturated and far objects fading into the haze. That’s why distant hills or buildings often appear blue and hazy in real life and in art. Artists mimic this by toning down the color saturation of distant elements and suggesting cooler, lighter hues, while keeping foreground shapes clearer and more contrasty. The other concepts don’t describe this depth cue: complimentary colors are about color harmony, rhythm is about repetition and movement in the composition, and texture is about the surface quality of the material.