Source: 5 Web Design Colours that Encourage Visitors to Click that Subscribe Button
Stashed in: Web Designs, Colors!, Colour
Pinterest red, Amazon orange, Facebook blue, Groupon green, Yahoo purple.
I like the fonts, spacing, and readability of the heyzap blog.
The Psychology of Color
I have another pair like this at home.
The Pink & Blue Projects: Exploring the Genderization of Color | Brain Pickings