Experimenting with RGBW Color Mixing (blog.athrunen.dev)

Thank you, I will definitely look into this.

That's what Philip's Hue system uses for it's color bulbs, a 5 color system. Third-party systems are usually referred to as RGB+CCT. I got some pretty dense strips from superlightingled for my recent kitchen lighting project, which were nice since they had all 5 colors on a single chip

Thanks, will try to take some in the near future.