Targor Rageshade vs Magi Purple Wash

How close are they?

ΔE 18.9, loose: different enough that you should pick on purpose. Magi Purple Wash is noticeably lighter, cooler than Targor Rageshade.

Can I use Magi Purple Wash instead of Targor Rageshade?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Magi Purple Wash is noticeably lighter, cooler than Targor Rageshade.

Can I use Targor Rageshade instead of Magi Purple Wash?

The same difference applies the other way round: Targor Rageshade is noticeably darker, warmer.

ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.