“Start from a palette, then adjust anything you want.”Colours are edited separately for light and dark — switch with the Light / Dark toggle above the palettes. A colour that reads well on white often disappears on near-black, so check both.
Fine-tune all 25 colours expands the full token list. Reset 24 colours puts them all back.
Start from the palette closest to your brand, then override the two or three colours that matter. Editing 25 tokens from scratch is a long afternoon for very little extra gain.
Keep enough contrast between text and background. A palette that looks striking in the preview can be unreadable to a customer working from a phone in daylight.