In art or design, why do certain combinations of color, shape, contrast, font,

In art or design, why do certain combinations of color, shape, contrast, font,

In art or design, why do certain combinations of color, shape, contrast, font, etc., strike more visual impact and/or seem more appealing than others? There are certain standbys or principles of design that seem to be successful (e.g., appropriate white space, complementary colors, etc.), yet it also seems entirely subjective as to what we find beautiful in artistic realms. Is there any generalizability to the quality of visual appeal?

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