Nasal cold w/ low fevers now in chest. Green mucous in cough, feeling of low O2 w/ breath. Dark pink and white nails. Bubbling deep in breath. Any ideas?

Bronchitis. An infection like Sinusitis, Bronchitis or Pneumonia could cause your symptoms. Please get evaluated by your doctor if you feel your oxygen is low. In fact this finding is grounds for getting checked at an Urgent Care/Emergency Room.