Phthalo Green (Yellow Shade) vs Viridian Green Hue

How close are they?

ΔE 11.5, fair: the same colour family, but not a straight swap. Viridian Green Hue is cooler than Phthalo Green (Yellow Shade).

Can I use Viridian Green Hue instead of Phthalo Green (Yellow Shade)?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Viridian Green Hue is cooler than Phthalo Green (Yellow Shade).

Can I use Phthalo Green (Yellow Shade) instead of Viridian Green Hue?

The same difference applies the other way round: Phthalo Green (Yellow Shade) is 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.