As the cathode reduction component,;Wherein R 21 and R 22 are independently selected from the group consisting of an alkyl group having 1 to 10 carbon atoms, a phenyl group substituted with a group selected from the group consisting of Cl, Br, cyano, an alkyl group having 1 to 4 carbon atoms, and Cl, Br, A benzyl group substituted with a group selected from the group consisting of an alkyl group having 1 to 4 carbon atoms, and R 31 is an alkyl group having 1 to 10 carbon atoms.;As the anodic oxidation component,;The multicolor electrochromic composition comprising the propyl carbonate and / or the gamma -butyrolactone as a solvent has a blue or blue color depending on the mixture concentration ratio of the red cathodic reducing material and the yellow anodic oxide, Chromatic composition capable of exhibiting crimson color, which is a combination color of red.
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