Posted: Aug 17, 2017 8:04 pm
by GrahamH
romansh wrote:
GrahamH wrote:
Grey is a mix of R,G & B. I'm sure you know that. So blue-grey includes red photons. If there are lots more G & B photons than R from a pixel it isn't red.

OK did the photo of the strawberries have red pixels?

If not where did the bluey grey come from that David described?

I understand normally to get grey we need RBG photons; and darker it is less of them.

The pixels Are all mostly blue/green with a bit of red, so there are no 'red pixels' in the image but there are red photons.