QWhat does "each with only 1 color and is different color from each other" of hBP04-089〈Two-Tone PC〉mean?

AIt means that the holomem has only 1 color, and there are 2 or more holomem as such.
For example, hBP01-021〈Tokino Sora〉has 1 color, while hSD01-013〈SorAZ〉has 2 colors.