Relevant onboarding: light or dark?

Two redesigns of the onboarding new customers go through after signing up. Both fix the same problems; the difference is the look. The light one matches the dashboard people land in afterwards. The dark one matches the login page they come from.

Screens are rendered with sample data ("Acme Shoes" and "Northwind"). Click any screenshot to see it full size.

Light matches the dashboard
Dark matches the login page

Before: the results page today

What it looks like right now in Safari, for comparison.

Current results page: black background, blank white cards, gray band