Shades of blue (IMAGE) Norwegian University of Science and Technology Caption The Lithuanian language has two completely different words for blue: ‘žydra’ (light blue) and ‘mėlyna’ (dark blue), while Norwegian only has one word: ‘blå’. This affects how quickly people perceive shades of blue. Illustration: Akvilė Sinkevičiūtė, NTNU Credit Illustration: Akvilė Sinkevičiūtė, NTNU Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.