Not a bad idea and sure on topic for the challenge. The trouble i see is the focus is very soft. Nothing is crisp, clean or in focus. This of course is either the camera or lack of tripod. > Credit for your idea and the pretty color.
A good closeup, but a litle uneven light. The center part of the image is in shadow, and brigth light to the right. To me it would have been better with lighting in the center of the frame...