Assuming you last column entry for row 2 is L2.
highlight row 2 > clicking on conditional formatting > select New Rule
Click on "Use a formula to determine which cells to format"
put this formula in:
Next, click "Format..." > select fill cell color RED.
Repeat for next condition, on the same row,
put in formula:
Format color to Yellow.
For last condition:
format color green
Once you have all 3 conditions on row 2, highlight row 2, click on format painter, paste the formatting down the rows. That should do it.