My new wallpaper (2560x1440 px)

Made myself a new wallpaper today, got inspired by the Dribbble community. What do you think?

Dimensions are: 2560x1440 px (iMac 27 inch format)

You can download it here:
https://www.dropbox.com/s/n8clfb7c7mh4ahp/Wallpaper_Contrast.png?dl=0