select ugui element in prefab mode will cause the element too light

before select something

after select something

i don’t know what happened after upgrade the project to 2019.4.26f1, when i edit the prefab in 2019.3, it is totally ok. this bug makes me difficultly check ugui element color.

os: macos cataline 10.15.7
unity: 2019.4.26f1

anyone help?

try clicking on the lightbulb icon near the 2D button to turn the lighting on in the editor window. maybe this has something to do with the issue