[Light] No colors in editor since IntelliJ 2023

[gquintana]

Describe the bug
Since I upgraded to IntelliJ 2023, editor highlighting is nearly monochrome. Keywords, Strings are not hightlighted anymore.
As a result, the Atom One plugin become unusable and useless.

To Reproduce

1. Run IntelliJ 2023.2 with Atom One Theme 1.5.1 and thème Atom One Ligh
2. Open a Java file in editor

Screenshots
Atom One Light Theme

Same with IntelliJ Light theme

Application:
IntelliJ 2023.2