blue + yellow = green

...but not really, only if you're talking paint. Light is a completely different story.

Just thought I'd have a play with the manual focus on the camera and my prize from Sunday's half marathon.
This one was Laura's choice because of the symmetry.

* Ok so the crayons weren't an official prize but my prize from Harsh (possibly because he knew I'd use the photo of him) at our recovery celebratory pub lunch.