Pal-Ket
Victor Vasarely was a Hungarian, French artist born in 1906. His work is considered an early example of the Op Art movement. Optical illusions are abstract images. The interactions between the pictures plains are manipulated to create the illusions. the viewer is entertained by their understanding and what they are actually seeing. Illusions include movement, flashing, swelling, warping, hidden images and patterns. Mainly in black and white, but later artist progressed with colour.
It is our own vision and human ability to see that makes exploring techniques within this movement so interesting, the retina for example records colour input differently as it receives the different light inputs. Manipulating this can create an interesting study.
In the Painting Pal-Ket Vasarely demonstrates beautifully how using optical art techniques can create an illusion of a sphere appearing to bulge from a flat surface. The image consists of a chessboard style of a square grid which is manipulated according to the movement. In the centre of the page, the central four squares have been enlarged, acting as if they are closer to the audience. From the center the grid then takes 8 different proportionate directions until it reaches the edge of the sphere boundary line. From there the grid almost melts back into the proportionate, flat, chessboard.
The fundamental achievement of the ambiguous image and the audiences perception is the measurement of the grid. Between the center, as the grid declines, towards the corners in an affair of cubic growth until it has reached it's original size from there it reduces in a linear manner until it either falls from perspective or rejoins the flat background.
Colour has been included to add depth to the illusion. Purples, blues, greens, white and black sits to fill each of the geometric shapes. Black and white forms the background in sence that where either is dominate it affects it's combination with the primary pigments. White is found around the edge of the sphere acting as a light source or reflection. Black then makes home in the centre and on the outskirts of te image. Colour is divided in the four: top left is green with a purpal background; top right blue with a green background; bottom left blue with a black background; bottom right purpel with a blue background. Like with the grid measurements as the colours change saturation changes with a tinted or shaded effect it results in an illusion of change.
Each box contains a circle which gives the surface a pattern. This emphasises the movement of the grid and has the potential to clarify the direction of the movement.
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