Assertion: magenta | /r/HasProperty | invented in 1890
Facets:
value: for cmyk printing
type: PURPOSE
Source sentences:
text: Before printer's magenta was invented in the 1890s for CMYK printing, and electric magenta was invented in the 1980s for computer displays, these two artificially engineered colors were preceded by the color displayed at right, which is the color originally called magenta made from coal tar dyes in the year 1859.