Hello im new to the forum and new to betting, I have checked many threads and in every thread i see ppl write following (example): SJ/STL Over 1.5 (1st) (+115) 
TOR/TB Over 1.5 (1st) (-127)
What does that mean? Why is one red and the other one green?
Cheers!

TOR/TB Over 1.5 (1st) (-127)

What does that mean? Why is one red and the other one green?

Cheers!