Well light works as a negative when it bounceds of a object.

you have ared object it will obsorbe the red light reflect the rest.

This is why grass which looks green isn't actualy green. How can people not understand light refraction!!!

My spelling and grammer isn;t great, - thanks for highighting exactly what was wrong - not. I have aspergers, so may explain why I was born in the UK.

Sorry if my joke as highlighted by the smiley was not deemed a joke.

but above all thank you for feedback, more helpful than others.