ΔE 8.3, close: similar, with a visible difference side by side. Romeo/Juliet is cooler than Bubblegum Crisis.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Romeo/Juliet is cooler than Bubblegum Crisis.
The same difference applies the other way round: Bubblegum Crisis 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.
See Bubblegum Crisis on the colour wheel See Romeo/Juliet on the colour wheel
All matches: Bubblegum Crisis equivalents · Romeo/Juliet equivalents