Open Happiness Font

Open Happiness is a global advertising campaign launched by The Coca-Cola Company in 2009. With the slogan "Open Happiness," the advertisements show people enjoying Coca-Cola in a variety of settings, promoting the idea that drinking Coca-Cola brings happiness and positivity.

Gotham Book, designed by Tobias Frere-Jones in 2000, is probably the font used in the campaign logo. There are multiple weights and variations of this typeface available commercially. More details about Gotham font family can be found here.