Function oklchFromCSSString

oklchFromCSSString(src: string): OKLChColor
Parses a CSS OKLCh color string into an OKLChColor object.

Supports both comma and space syntax, as well as percentage notation for lightness:
- oklch(0.5, 0.2, 270)
- oklch(0.5 0.2 270)
- oklch(50%, 0.2, 270)
- oklch(50% 0.2 270)
- oklch(0.5, 0.2, 270, 0.5)
- oklch(0.5 0.2 270 / 0.5)
The function handles:
- Lightness values as either decimals (0-1) or percentages (0-100%)
- Chroma values as positive numbers
- Hue values as 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 OKLCh color string to parse
Returns OKLChColor
The parsed OKLCh color object

Throws
If the string format is invalid
- Defined in models/oklch/parser.ts:27