Liquid support for OKLCH colors

We've introduced support for OKLCH colors in Liquid, enabling more natural color transitions and access to a broader range of colors than sRGB.

New features include:

• The color_to_oklch filter, which takes a color object or string and returns an OKLCH color string.
• Enhanced color objects with new properties: color_space, chroma, oklch, and oklcha. These allow you to access OKLCH channels and convert color objects into the OKLCH color space.
• Color filters like color_saturate now operate within the OKLCH color space.

Explore the Liquid docs to learn more about OKLCH and start integrating these vibrant colors into your projects today.