The bug
The inventory player preview is affected by the light level.
Linked issues
is duplicated by 9
MC-162081
Player Rendered Black When Looking It In The Inventory
Resolved
MC-162503
Player model in Inventory
Resolved
MC-162528
Inventory player icon
Resolved
MC-162640
Player model becomes really dark if you're in low light
Resolved
MC-162726
Inventory player model reacts to light level
Resolved
4 more links
It's part of a new bunch of lighting glitches. For instance, totem of undying's animation is darker than it should be... it's some weird stuff.