Missing Colors in colors.json in Shapash 2.7.* Causing Graph Generation Failures in Eurybia

[guillaume-vignal]

Description:
After upgrading to version 2.7.* of the Shapash package, we have encountered an issue where some colors in the colors.json file are missing. This leads to errors when attempting to generate certain graphs in the reports created by Eurybia.

Details:

• The missing color definitions have caused Eurybia to fail when trying to render graphs that rely on these specific colors.
• This issue prevents successful report generation and impacts usability.

Steps to Reproduce:

1. Upgrade to version 2.7.* of Shapash.
2. Attempt to generate a report using Eurybia that requires the full color palette specified in colors.json.
3. Observe the error messages indicating that certain colors are missing.