Custom colors in color picker, design tokens

From customer:

Is there a way of loading global colours into the colour picker so it's saved and in the default view? Ideally where design tokens can be passed into a project space to set global tokens for the project space?

Current state, customers can reference this post How do I use my site's css and classes on elements in Builder pages? 3 and use templates and symbols to create/maintain styles throughout your project.