Media type: E-Article Title: Human-Computer Interaction - INTERACT 2017: Night Mode, Dark Thoughts: Background Color Influences the Perceived Sentiment of Chat Messages Contributor: Löffler, Diana; Giron, Lennart; Hurtienne, Jörn imprint: Springer International Publishing, 2017 Published in: Human-Computer Interaction - INTERACT 2017 Language: Not determined DOI: 10.1007/978-3-319-67684-5_12 ISSN: 1611-3349; 0302-9743 Origination: Footnote: