The general sparkline pattern suggests these colors can be used to associate the text with items within the sparkline, but I think the association is not very strong here, and anyhow in the context of a web page those colors already have strong meanings.
The general sparkline pattern suggests these colors can be used to associate the text with items within the sparkline, but I think the association is not very strong here, and anyhow in the context of a web page those colors already have strong meanings.