Normal humans have three different types of cones with photo-pigments that sense three different portions of the spectrum. Each cone is tuned to perceive mostly either Long wavelengths (reddish), Middle wavelengths (greenish), or Short wavelengths (bluish), referred to as L-, M-, and S- cones. Continue reading Differentiating wavelengths
PRIMARY COLORS – Red, yellow and blue
SECONDARY COLORS – Green, orange and purple – from mixing primary colors
TERTIARY COLORS – Yellow-orange, red-orange, red-purple, blue-purple, blue-green and yellow-green – from mixing secondary colors.