material in different scene mode

why the same material in different mode have different color?(blob:https://cesiumjs.org/0848ccaf-ed52-4b92-80a0-e15c85c5cec3)

2d mode

3d mode

Hi there,

Do you have lightening enabled? Turn it off if you don’t want it. Otherwise there is some problem with lighting in 2D mode that we’re aware of, see this issue.

Thanks,

Gabby