Function hwbFromCSSString

hwbFromCSSString(src: string): HWBColor
Parses a CSS HWB color string into an HWBColor object.

Supports both comma and space syntax:
- hwb(120, 30%, 40%)
- hwb(120 30% 40%)
- hwb(120, 30%, 40%, 0.5)
- hwb(120 30% 40% / 0.5)
The function handles:
- Hue values in degrees (0-360, normalized if outside this range)
- Whiteness and blackness as percentages (0-100%)
- Optional alpha value (0-1 or 0-100%)
- Both comma-separated and space-separated formats
- Whitespace flexibility according to CSS specifications
Parameters
- src: string
  The CSS HWB color string to parse
Returns HWBColor
The parsed HWB color object

Throws
If the string format is invalid
- Defined in models/hwb/parser.ts:23