scale has 8 button types:

standard button

standard buttons are used most frequently throughout the app and are sort of the default button type.

specs

variants

color

standard buttons should be white on green-800 backgrounds and green-800 on white or gray-100 backgrounds.

filled / outline

filled buttons are used for "primary" button use cases and outlined buttons are used for "secondary" button use cases. outlined buttons have 1px (inside) outline.