What is it called when your eyes change colors?

My eyes change colors with my mood. I've heard of eyes changing colors with what the person wears, but my eyes change colors with my mood. The colors have been blue (light and dark for various moods), bright green, light gray, light brown, and even a faded yellow. Does anyone know if there's an actual name... show more My eyes change colors with my mood. I've heard of eyes changing colors with what the person wears, but my eyes change colors with my mood. The colors have been blue (light and dark for various moods), bright green, light gray, light brown, and even a faded yellow. Does anyone know if there's an actual name for this??
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