Color is not showing in transparent objects using ray traced translucency

When I swap from rasterized translucency to ray traced translucency, transparent objects lose their color.

Rasterized translucency:

Ray traced translucency:

Notice how the fourth sphere is red when using rasterized translucency, and clear when using ray traced translucency. Is this a limitation of Lumen, or should I adjust my material?

If it’s a Lumen limitation, are there are recommended ways to get around this?