So, I've decided to actually take the previous layout and use it for an upcoming project of mine. The product is a SaaS called Gravyboard, and is a dashboard of sorts for affiliate marketers.
I've gone with similar colors to my earlier draft and here's what the finished layout looks like:
I think it needs a bit more content but overall I'm quite happy with the direction I've been able to take this project in.
Link to full size image
This is a mockup for a friend's company. The icons are from the Noun project :)
I look forward to your comments and critique!