primary :
{ crimsonRed : Primary
, red : Primary
, orange : Primary
, yellow : Primary
, green : Primary
, lightBlue : Primary
, blue : Primary
, blueSky : Primary
, purple : Primary
, pink : Primary
}
These lists are just to be used to create documentations, not to actually use colors in the layout.
Base colors are the only color, together with one primary color, that are used to derive all other colors for the interface.
They are different depending on the mode:

These represent the brands color of Rakuten.
Rakuten Brand guideline: https://global.rakuten.com/corp/brand/

These lists should only be used to generate documentation.
A sligtly modified version of Color.Accessibility.maximumContrast