Sasuke Uchiha’s version features six "tomoe" (comma-like marks) within the ripples, indicating a fusion of Rinnegan and Sharingan powers.
The ripples represent the Six Paths of Saṃsāra, reflecting the user's mastery over various types of jutsu. rinnegan-symbol
Different Ōtsutsuki clan members possess variants in red, yellow, and blue . The yellow variant, in particular, has demonstrated immense power in the Boruto series. and blue . The yellow variant