Mood-boosting colours like joyous yellow, dopamine-releasing pink and red, or high-energy orange, are enjoying a renaissance. Bright colours apparently trigger positive neurological responses in the brain. Vibrant, saturated colour combinations have even more impact; a colourful dress or trouser suit pops when paired with equally bright but contrasting shoes and a great bag: keep your eyes peeled for attention-grabbing, flattering bright shades. Banish black to the back of the wardrobe and lighten up this spring …