replaced hexa and rgb colors with theme palettes and tokens

[AllanOXDi]

Summary

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References

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Reviewer guidance

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Testing checklist

• Contributor has fully tested the PR manually
• If there are any front-end changes, before/after screenshots are included
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Reviewer checklist

• Automated test coverage is satisfactory
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[MisRob]

Seems like typo, I think it should be yellow.v_200

[AllanOXDi]

Fixed

[MisRob]

Thank you @AllanOXDi. Just one little issue to fix. Then we can merge.

[github-actions]

Build Artifacts

Asset type	Download link
PEX file	kolibri-0.16.0.dev0_git.20240227155338.pex
Windows Installer (EXE)	kolibri-0.16.0.dev0+git.20240227155338-unsigned.exe
Debian Package	kolibri_0.16.0.dev0+git.20240227155338-0ubuntu1_all.deb
Mac Installer (DMG)	kolibri-0.16.0.dev0+git.20240227155338-0.4.0.dmg
Source Tarball	kolibri-0.16.0.dev0+git.20240227155338.tar.gz
WHL file	kolibri-0.16.0.dev0+git.20240227155338-py2.py3-none-any.whl