Basic features are available for Fleet IDE, https://plugins.jetbrains.com/plugin/23759-rainbow-brackets/ If you think this plugin can help, consider donating at https://buymeacoffee.com/rainbowbrackets
Here are some screenshots:
![image](https://private-user-images.githubusercontent.com/12044174/303910830-2ba7f3ed-f1f9-456c-837a-115f3ca94189.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.udwg75C7tGTMzvFvaM8vjAe3hD79BDhwDUJd8SgnItM)
![image](https://private-user-images.githubusercontent.com/12044174/303912798-a1019b99-271b-4851-81e7-39cebb42b01f.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3Mzg5NDY5MjQsIm5iZiI6MTczODk0NjYyNCwicGF0aCI6Ii8xMjA0NDE3NC8zMDM5MTI3OTgtYTEwMTliOTktMjcxYi00ODUxLTgxZTctMzljZWJiNDJiMDFmLnBuZz9YLUFtei1BbGdvcml0aG09QVdTNC1ITUFDLVNIQTI1NiZYLUFtei1DcmVkZW50aWFsPUFLSUFWQ09EWUxTQTUzUFFLNFpBJTJGMjAyNTAyMDclMkZ1cy1lYXN0LTElMkZzMyUyRmF3czRfcmVxdWVzdCZYLUFtei1EYXRlPTIwMjUwMjA3VDE2NDM0NFomWC1BbXotRXhwaXJlcz0zMDAmWC1BbXotU2lnbmF0dXJlPTJiNDRkNzA5ZTk4NTdmMjMyZDM2ZWE5NzY0ZGU3YjQ5Y2JiYzQ0YTdiYjhlYzQ1ZTg3M2Y1ODAwZGRlNDRjMzMmWC1BbXotU2lnbmVkSGVhZGVycz1ob3N0In0.F-dky299dTRYsxYexyzFRx99Uy_q_IyjIXqQJQQqAp4)
![image](https://private-user-images.githubusercontent.com/12044174/303912815-28cb3b65-a595-46f7-9e46-52372dd2a888.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.eCUrEykbikAp7eWNSSgZFJ1inNrksZIgXKYQmpxXeVI)
![image](https://private-user-images.githubusercontent.com/12044174/303912828-d86c0817-aeff-4e7e-8351-459102c344ed.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.9phE1KOg3g0L-HKQiXOaHDDnrVRI5s4BkA0mIP47E1M)
- install it from the plugin section:
![image](https://private-user-images.githubusercontent.com/12044174/304264064-b775095e-6813-4cc2-a005-d2fb76589830.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.DnT2oL9AN38Nj08g38XLx-TnP2Izyw5-VOXB22xpuoY)
- Search Rainbow Brackets and install it:
![image](https://private-user-images.githubusercontent.com/12044174/304264115-150d23e4-7150-42cf-9984-76956a136143.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.2V0zskF_cKjxRl1Q3PR-gtoLRWemHeQwp7LuhAdwiqI)
- Approve changes:
![image](https://private-user-images.githubusercontent.com/12044174/304264247-4ea2f1ef-9767-4d75-aa65-3d8aab29cb81.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.9RM8v4ZctsialfUbN89niZySKhC_d9V8_UueLoMQTaY)
- Edit your current color theme:
![image](https://private-user-images.githubusercontent.com/12044174/304264376-4ce4a3e3-91c6-47e2-85f8-8bdf38db58b3.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.ilUITFcsqIbO_wDBOUfVwF3jlPY-Mup6BDmkaHENybk)
- Choose your edited color theme(you may need to restart)
![image](https://private-user-images.githubusercontent.com/12044174/304264423-ff5ec052-478f-4654-a0fc-544c1eced1a1.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.YF3PG1rMWuWtbA2uLeqOxQMxHwYgVxZ9Rans2mtZADw)
![image](https://private-user-images.githubusercontent.com/12044174/304264475-ef887365-5c41-40ec-a0f9-55fd7cdaa7b3.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.len3QBggFGKu4jPW9kGUGYbxPGuKG-elyNCPEU50wyU)