[Bug]: Material UI Dracula theme has inconsistent low contrast colors on IntelliJ IDEA Ultimate

[S0NN1]

Describe the bug

Material UI Lite on IntelliJ IDEA Ultimate has a strange behavior: variables and parameters are colored with low contrast colors and are inconsistent.

To Reproduce

Open IntelliJ IDEA Ultimate 2023.2.2 Install Material UI Theme (either lite or not)

Expected behavior

The colors chosen should be consistent and have a decent contrast

Material Theme Version

22.0.0 (Lite)

IDE

IntelliJ IDEA

System Info

IntelliJ IDEA 2023.2.2 (Ultimate Edition)
Build #IU-232.9921.47, built on September 12, 2023
Runtime version: 17.0.8+7-b1000.22 aarch64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
macOS 14.0
GC: G1 Young Generation, G1 Old Generation
Memory: 2048M
Cores: 10
Metal Rendering is ON
Registry:
    ide.intellij.laf.enable.animation=true
    debugger.watches.in.variables=false
    debugger.new.tool.window.layout=true
    ide.experimental.ui=true
    ide.balloon.shadow.size=0

Non-Bundled Plugins:
    manjaro.mpb (1.8)
    some.awesome (1.14)
    com.mallowigi.idea (22.0.0)
    awesome.console (0.1337.12)
    name.kropp.intellij.makefile (232.8660.88)
    com.intellij.nativeDebug (232.9921.28)
    com.github.setial (4.1.0)
    com.intellij.spring.websocket (232.8660.142)
    izhangzhihao.rainbow.brackets (2023.3.6)
    com.mallowigi (93.1.0)
    mobi.hsz.idea.gitignore (4.5.2)

Kotlin: 232-1.9.0-IJ9921.47

Logs/Screenshots

[mallowigi]

you have rainbow variables enabled in your color scheme. Please use the Reset Color Scheme function.