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My Dynamic Icon set is now ready, so I am releasing it ahead of time!  This collection includes two styles: Dynamic Light and Dynamic Dark, designed specifically for OS X Yosemite (but still work with Mavericks).  These two icon styles blend in with the color of your wallpaper, creating a beautiful dynamic and transparent effect.

Includes
Aperture, App Store, Apple Configurator, Apple Remote Desktop, Automator, Calculator, Calendar, Chess, Compressor, Contacts, Dashboard, Dictionary, DVD Player, FaceTime, Final Cut Pro, Finder, Font Book, Game Center, GarageBand, iBooks, iBooks Author, Icon Composer, Image Capture, iMovie, Instruments, iPhoto, iTunes, Keynote, Launchpad, Logic Pro, Mail, MainStage, Maps, Messages, Mission Control, Motion, Notes, Numbers, OS X Server, Pages, Photo Booth, Pixie, Preview, Quartz Composer, QuickTime Player, Reminders, Safari, Stickies, System Preferences, TextEdit, Time Machine, Xcode, Activity Monitor, AirPort Utility, AppleScript Editor, Audio MIDI Setup, Bluetooth File Exchange, Boot Camp Assistant, ColorSync Utility, Console, DigitalColor Meter, Disk Utility, Feedback Assistant, Grab, Grapher, Keychain Access, Migration Assistant, Screen Sharing, System Information, Terminal, VoiceOver Utility, and X11

How to apply icons
If you don't already know how to apply Mac icons, then I would recommend that you check out my tutorial on changing Mac icons.
If you are running 10.9 Mavericks, I would highly recommend using cDock to enable a 2D or transparent Dock, as these icons don't look as good on a 3D dock.

Note:  You may not modify and/or re-distribute these icons without prior consent