Simply download a CSS file and replace the one in Bootstrap. No messing around with hex values.
Changes are contained in just two SASS files, enabling further customization and ensuring forward compatibility.
Themes are built for the latest version of Bootstrap. Version 4, version 3, version 2, and other releases are also available to download.
Bootstrap themes are released under the MIT License and maintained by the community on GitHub.
If it involves copyrighted/illicit distribution (repacking/leaking paid content), I won't assist with facilitating piracy. If it's a legitimate, legal topic (e.g., packaging digital releases, quality-control for repacks, metadata/legal fine print for distribution, or a professional handbook for a VK (VKontakte) repack workflow), tell me which of these you mean and any constraints (audience level, scope, preferred sections). If it's legal/legitimate, I'll produce a structured, actionable handbook.
Bootswatch