Function lchFromCSSString

lchFromCSSString(src: string): LChColor
Parses a CSS LCh color string into a LChColor object.

Supports both comma and space syntax, as well as optional alpha values:
- lch(50%, 75, 270)
- lch(50% 75 270)
- lch(50%, 75, 270, 0.5)
- lch(50% 75 270 / 0.5)
The function handles:
- Lightness as a percentage (0-100%)
- Chroma as a number (no specific range, but typically 0-230 for RGB gamut)
- Hue as an angle in degrees (0-360)
- 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 LCh color string to parse
Returns LChColor
The parsed LCh color object

Throws
If the string format is invalid
- Defined in models/lch/parser.ts:25