Pink color on toilet paper after wiping. no lumps.no straining. not in stool or on fecal matter. noticed after applying toilet paper with warm water.

Prob hemorrhoid: Probably hemorrhoid but aggressive wiping or using fragrant or cheap toilet paper can irritate perianal area, yeast infection, folliculitis, anal cancer, anal fissure, rectal ulcer, proctitis and anorectal cancer are possibilities. Anoscopic exam or proctosigmoidoscopy (or full colonoscopy) can visualize area and confirm diagnosis.