The stronger contrast in value between an object and the background, the more visual weight the object has. the stronger the contrast in value between an object and the background, the more visual weight the object has. dark values appear heavier than light values.
Eighth notes are in quarter notes; quarter notes make up whole notes. Therefore, you cannot have a whole note without quarter notes, and there will always be eighth notes in quarter notes and: (answer:) WHOLE NOTES. :)