JPS6231353B

In a pattern display system wherein color signals are produced based on serial color data signals of red, green and blue and background colors from background color information storage means and a color pattern is displayed on predetermined picture elements in response to the color signals and an output of a voltage level signal generating circuit, there is provided color control information storage means, and amplitudes of the voltage level signal and the color signal are controlled by color control information from the storage means, so that the color pattern display can be effected with deep, pale, bright and dark properties of color controlled.