My stool colour help!!'n

Hi all. Well firstly ill start with i have fbo that emits from me randomly not a 24/7 smell just like a fart but i dont and its not loose anus. Anyway the reason im here is because my stool is not normal and has not been since this fbo started. I have pictures but cant seem to upload them. The colour varies from yellow then pale green and mid orange brown and it never sinks takes numerous flushes and there seems to be some food or something visible that doesnt look like poop. I have pictures i could email if it would help. But i think this is linked with my fbo so i really need help. Im 19male in v.good health. My diet is branflakes and skimed milk for breakfast, chicken, turkey, brownrice and broccoli for dinner etc a goof food . I would appreciate any help thanks Tweet