Improve color format parsing and add conversion tests - Githubissues

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Improve color format parsing and add conversion tests #2152

Closed guiyanakuang closed 3 days ago

guiyanakuang commented 3 days ago

Fix hex color validation by adding strict length check (6 or 8 digits)
Improve RGB/RGBA parsing with better whitespace handling
Fix alpha value calculation using roundToInt instead of truncation
Enhance RGBA alpha pattern to support all valid formats (0, 1, 0.x, 1.0)
Add comprehensive unit tests for color format parsing and conversion