add coloraide dependency for custom palette

pyproject.toml

@@ -62,6 +62,7 @@ twine = ">=4.0.0,<6.0"
 tomlkit = ">=0.12.4,<1.0"
 lazy_loader = ">=0.4"
 reflex-chakra = ">=0.1.1a1"
+coloraide = "^3.3.1"
 
 [tool.poetry.group.dev.dependencies]
 pytest = ">=7.1.2,<8.0"