Evoker fangs are rendered too dark while they're inside of blocks

The Bug:

Evoker fangs are rendered too dark while they're inside of blocks.

Steps to Reproduce:

1. Stand on some solid blocks and summon some evoker fangs beneath your feet by using the command provided below.

   /summon minecraft:evoker_fangs ~ ~-0.7 ~

2. Look at the summoned evoker fangs closely.
3. Take note as to whether or not evoker fangs are rendered too dark while they're inside of blocks.

Observed Behavior:

Evoker fangs are rendered too dark.

Expected Behavior:

Evoker fangs would not be rendered too dark.