Bubblegum Crisis vs Crimson Magenta

How close are they?

ΔE 7.5, close: similar, with a visible difference side by side. Crimson Magenta is a little darker than Bubblegum Crisis.

Can I use Crimson Magenta instead of Bubblegum Crisis?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Crimson Magenta is a little darker than Bubblegum Crisis.

Can I use Bubblegum Crisis instead of Crimson Magenta?

The same difference applies the other way round: Bubblegum Crisis is a little lighter.

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.