Looking at the remaining schedule I'd say the Avs have a good chance of passing Vegas.
Colorado face non-playoff teams in 6 of the last 7 games.
Conversely, Vegas play Minnesota and St. Louis 4 times.
Vegas are 2-3-1 against Minnesota this season, including 0-2-0 in their previous away games against Minnesota. Minnesota are 18-5-1 at home this year.
That's followed by a back-to-back against St. Louis who are 4-0-1 in their last 5 (all against Avs or Wild). The Blues are also better on the road (14-8-3) than at home (9-11-4) this season.
If both Colorado and Minnesota win tonight - which seems to be the likeliest outcome based on previous results this season between these teams - then Avs would just be 2 points behind Vegas with a game in hand, and have a considerably easier schedule remaining.