How Do Painters Make Colours Appear to Change When You Move?

Imagine you're looking at a painting of the sea. As you walk past it, the waves seem to move, but there's no water or wind! Painters use special colours and patterns that trick your eyes into thinking something is moving. It’s like using different shades of blue and green to make a picture look alive without any real motion.

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Examples

A painting of the ocean that looks like it's moving even though you're just standing still.
A flower painting where the petals seem to shimmer as you walk by.
A portrait that changes expression slightly depending on where you stand.

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Categories: Art · optical illusion· painting techniques· art perception