Sitka, a collaboration between type design and science, is a general-purpose serif typeface of Roman, Italic, Bold and Bold Italic. It is primarily designed for on screen use.
We recognize words by first recognizing individual letters, then using the letters to build a word [Larson, 2004; Rayner 'et.al', 2012]. Words become more readable by making each of the individual letters more recognizable. During the typeface’s development, we tested how well people could read each of the letters in the typeface, and used the test results to inform design decisions. While the test results needed to be applied conscientiously, we discovered that typeface design could be successfully integrated with scientific legibility testing.
The typeface is optically scaled, in other words different styles are optimized for setting at a specified output size or narrow range of sizes. Table below lists recommended sizes for different styles.