Slug left orange goop on me :( ??

I saw this lil dude in one of my terrariums so had to take him out but he left an orange trail on me .. I’ve washed my hands like 8 times and there’s still a yellow stain … his body looks like a normal slug yknow so dull greyish brown body but his belly is a sort of neon orange to red gradient . I assume he’s only a baby so identification will be difficult but I’d love it if you guys could help !! Or atleast let me know if the orange goop will hurt me ? It feels a bit tingly so I’m worried lol