in the current study we were unable to confirm the previously reported high effectiveness of CCBT using online unsupported colour your life moreover adding colour your life to treatment as usual had no extra beneficial effects these findings cannot merely be explained by the lack of treatment adherence since per protocol analyses showed no differences between the interventions either it is entirely possible that we have observed natural although not complete recovery in a group of people with moderate and severe depression who showed a ecrease in symptoms irrespective of the nature of the intervention they received computer cognitive-behavioural therapy