Whilst waiting at the doctor's I glanced at the flyers and notices filed on one of the bookcases and noticed quite a few rainbow themes. It seems these brash and bold colours are in vogue. One of them was for a service directed at gay people but I don't think the rainbow motif need only remind us of the gay movement just as pink or mauve should not be associated uniquely with female issues.
Having said that care must be taken when associating each colour with a product or service, as above. Red has been chosen for A&E and as an 'alert' colour may be a wise choice. Skill is needed when partitioning ideas with colours. We try and push boundaries and associations with colour but some associations stick...