Kinetic art brings together works that generate movement thanks to the optical peculiarities of the viewer's eye. The singularity of Cruz Diez resides in color and in its relationship with space and form. It tends to produce a continually changing color climate and to transform the two-dimensional support into a perpetually changing medium. This mutant nature of color, Cruz Diez has experimented with it in the most diverse creations: two-dimensional, three-dimensional works, installations and architectural interventions.

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Physichromies are structures in relief where juxtaposed colors of background and colored slats placed perpendicularly and whose color is reflected according to the light and the angle of vision of the spectator. These lamellae act as filters traversed diagonally by the light and coloring the background. Various colors appear by addition, subtraction or reflection.

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In its Additive Colors, parallel lines of different colors come into contact within a critical perceptual area. This contact zone is actually the juxtaposition of these series of colored lines. They then engender in the eye of the spectator a third unstable color, conditioned by the distance, the angle of vision and the variations of the ambient light.

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The Chromatic Column belongs to the series of Chromatic Inductions which are based on the phenomenon of retinal persistence. When the human eye fixes a plane of color, its complementary color also appears in his brain. Here, the work combines chromatic shots that instantly generate their complementary colors while they are not present.

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Finally, Chromointérférences superimpose a moving frame on a fixed plane. Wave movements are thus generated by the moving of the moving frame and the work then moves from a two-dimensional state to a real-volume state.