Each week there was a prompt for a different colour (or color!) – I missed the first 2 weeks (red and yellow), but joined in for pink, green, orange and blue.
It was fun – either finding things during my day, or rummaging through my archives to find something that was the right colour!
One of the things I liked most about the challenge was that you could post as many or as few photographs as you wanted, each week – you didn’t have to post one per day.
It was a great introduction to Instagram too – I’d never used it before (I only got my iPhone in December), so it gave me a good reason to figure out how to post photos and videos.