They are completely true to the show, in tone and plot. It's basically "what if Farscape decided to be on paper instead of on screen for a while," which, given some of Crichton's more bizarre hallucinations, is not too far out of the question.

They're being published by BOOM! Comics, one miniseries per "episode." There is both a post-Peacekeeper Wars storyline (so far in "The Beginning of the End of the Beginning," "Strange Detractors," and "Gone and Back" and an in-series storyline about D'Argo (in D'Argo's Lament and D'Argo's Trial).