Phthalo Green (Blue Shade) vs Cockpit E.G.“Faded”

How close are they?

ΔE 18.9, loose: different enough that you should pick on purpose. Cockpit E.G.“Faded” is noticeably lighter, more muted, cooler than Phthalo Green (Blue Shade).

Can I use Cockpit E.G.“Faded” instead of Phthalo Green (Blue Shade)?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Cockpit E.G.“Faded” is noticeably lighter, more muted, cooler than Phthalo Green (Blue Shade).

Can I use Phthalo Green (Blue Shade) instead of Cockpit E.G.“Faded”?

The same difference applies the other way round: Phthalo Green (Blue Shade) is noticeably darker, more saturated, 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.