All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad is His slave and Messenger. We ask Allaah to exalt his mention as well as that of his family and all his companions.
What you see does not invalidate your ablution unless you ejaculated or have pre-seminal discharges and the like.
Allaah Knows best.