I've wondered about such colors and, inspired by that strong red, went on a Phal search. Without lifting my butt out of the seat, unfortunately. Here are a couple paragraphs on the origin of such a color that I lifted from the Brooklyn Botanical Garden website (you can see the whole page at
BBG - Phalaenopsis:
"And then there are the reds. To create a red Phalaenopsis, a yellow flower (either a species or a hybrid) is bred to a purple species or hybrid. This results in flowers with diffused pigmentation: Color is evenly distributed throughout the flower, giving the appearance of solid coloration. Shades range from orange-red to deep lavender-burgundy. Some examples are Phalaenopsis Cordova, Doritaenopsis Lonnie Morris, P. Sogo Pony, P. Sogo Rose, and P. Sogo Grape. In certain hybrids the color pigmentation is concentrated in some areas of the flower, and red spots appear over a yellow- or cream-colored background. Phalaenopsis Brother Purple, P. Sogo Prince, and P. Golden Peoker are a few spotted reds.
"Desert tones, or art shade flowers, which include orange, copper, rusty red, or bronze tones, result from the combination of red and lavender color pigment found on the surface of the flower with yellow and green color pigment found inside the flower tissue. The blending of pigments can't be controlled in breeding, and as a result, the progeny come in a broad spectrum of colors. Often the flower colors change as the flowers age, but in some hybrids the pigmentation remains stable and beautiful colors result. Especially noteworthy are Phalaenopsis Sweet Memory, P. Zuma Aussie Delight, P. Pago Pago, and P. Brother Sara Gold."