- Elemental Eye Colors, for when they match the character's elemental affinity. Usually associated with earth-based powers.
- Meaningful Appearance, for when the work or Word of God explicitly call them out as a sign of a character's trait.
Brown eyes are the most common eye colour on Earth. That does not make it a trope, however, and it should not be listed on work pages. Same for hazel eyes. Sometimes, brown eyes may be a sign of the following tropes: