The following are links related to website design that we find useful.  It is a short list right now and a work in progress.

Web Typography – More than you ever would want to know about typography on the Web 😉  Links to blog posts about tweaking typography in css as well as info on fonts, etc.

Graphic Design History – Gives an overview on topics related to graphic design and how it has evolved through different eras and mediums.

The Ultimate Guide to Stopping Junk Traffic in Google Analytics – Learn how to clean “referral spam” out of your google analytics reports

Adobe Color – Extract colors from an image or work with colors and color palettes

Background Texture Generator – Create cool background textures

Google Fonts – Get free web fonts that will work on all browsers and can be downloaded to work in your graphic design software.

CSS Matic – Online CSS generator for box shadows, rounded corners

Sass – Sass lets you use features that don’t exist in CSS yet like variables, nesting, mixins, inheritance and other nifty goodies that make writing CSS fun again.

Atom – Nifty open-source text editor with great packages for Sass, Less, Javascript. Works on all operating systems.

Devoth‘s HEX 2 RGBA Color Calculator – Convert Hex to RGB/ RGBA

Smashing Magazine – Tons of articles and examples about web development and design