Is this a positive OPK?

Michelle
Had a very faint line last night before bed, just took this one and I can't tell if this one is as dark as the control line or not. If it's not what do I do?
Green week started on Friday, Hubby has low-T so we BD Thursday, Saturday, Monday, and technically today (after midnight). Should we tonight or tomorrow or both?
We already have 2 kids (16 years and 18 months), both were surprise babies, never thought actually trying for a baby would be this hard, lol.