In a telescope the light is green to the human eye due to oxygen's emission lines. A camera's film or CCD will add the very faint color red due to hydrogen's emission lines.
it is a reddish tint.
It means it has a shade of red in the color
Black reddish is not a standard color term. It could refer to a dark shade of red or a reddish tint on a black surface, but without more context it is not a recognized color descriptor.
The planet was named after the Roman God of War (possibly because of the reddish tint?)
His hair had a reddish tint. So, you could call him a strawberry blond.
Yes. I'd say it also has a reddish tint.
Oliver's fur is orange. Jenny has brown hair with a reddish tint.
Claire Danes had brown hair with a reddish tint in "My So Called Life."
Russet is a dark brown color with a reddish-orange tinge
dinoflagellates tint the sea water to a reddish color.
Brown hair does not "turn red." It can appear to have a reddish tint in some light. It may have a natural reddish tint that becomes emphasized by the sun lightening it. Keep in mind that there are only three human hair colors: blond, black, and red, and red is the result of a mutation. True red hair is actually quite rare. Every other hair tint is a result of a combination of hair color genes, OR artificial hair coloring.
myoglobin