If you are using "Classic 2.2.1 Font" without "Dark / Glass Theme" you will want to have white text in the catalog.
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=1149074734

--- Update - quick and easy ---
install this with the Custom Workshop Installer
https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=2244247575



Prerequisites:
The workshop content for this game is downloaded to
"your steam library folder"\steamapps\workshop\content\497180
To find "your steam library" folder go to
Steam > Settings > Downloads >STEAM LIBRARY FOLDERS

Steps:

1. subscribe to "Dark / Glass Theme" mod
   https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=1097331181
   
2. wait for Steam to download it (restart Steam if it takes a while)
   
3. go to "your steam library folder"\steamapps\workshop\content\497180
   
4. open the folder 1097331181
   
5. copy the folder "sl"
   
6. then follow this guide (if you want to install/remove this with the Custom Workshop Installer)
   https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=1756059817
   or go to game folder, then paste and overwrite copied above (maybe backup the Catalog.java first)

Or just open the file sl\Scripts\game\src\Catalog.java
and replace all "RGB_BLACK" with "RGB_WHITE"

before:


after: