What does yellowish color pupils and dark colored urine mean. Also some minor weight loss?

Jaundice. Liver failure or obstruction due to stones, infection, or growth near bile duct need urgent medical evaluation if this is a new problem.
Jaundice. Yellow sclera or the white part of the eye can be a sign of elevated bilirubin in the bloodstream. This could be a warning sign of something much more serious, so see your primary care doctor urgently.