magenta vs purplish red

magenta and purplish red both are nouns.

Word	Noun	Adjective	Verb	Adverb
magenta	Yes	Yes	No	No
purplish red	Yes	No	No	No

As nouns, purplish red is a hypernym of magenta; that is, purplish red is a word with a broader meaning than magenta:

magenta: a primary subtractive color for light; a dark purple-red color; the dye for magenta was discovered in 1859, the year of the battle of Magenta
purplish red: a red with a tinge of purple

Other hypernyms of magenta include purplish-red.

magenta (noun)	purplish red (noun)
a primary subtractive color for light; a dark purple-red color; the dye for magenta was discovered in 1859, the year of the battle of Magenta	a red with a tinge of purple

magenta (adjective)	purplish red (adjective)
of deep purplish red