Elder Flower vs Eye of Terror

How close are they?

ΔE 11.7, fair: the same colour family, but not a straight swap. Eye of Terror is noticeably lighter, more saturated than Elder Flower.

Can I use Eye of Terror instead of Elder Flower?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Eye of Terror is noticeably lighter, more saturated than Elder Flower.

Can I use Elder Flower instead of Eye of Terror?

The same difference applies the other way round: Elder Flower is noticeably darker, more muted.

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.