npub1qjrnqjusmvy883kcl3qvlrzy3ye2pdxj0zvhfcy7enqcgaksj04se0kgt0 (npub1qjr…kgt0) Yes, a complimentary or contrast will work nicely. It's a very forgiving pattern!
I often resort to measuring out about (say) 3 yards (well, armlengths...) and putting a slip knot in the yarn every yard; then I can tell approximately how much yarn I'm using per row.