noun
- A shade of blue tinged with green.
- synonyms: greenish blue, aqua, aquamarine, turquoise, peacock blue
- Greenish-blue pigment consisting essentially of cobalt oxide and alumina.
- synonyms: cobalt ultramarine
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). cobalt blue. Retrieved September 21, 2026, from http://smartdefine.org/cobalt_blue/definitions/1247755 |
| Chicago | WordNet. 2010. "cobalt blue" http://smartdefine.org/cobalt_blue/definitions/1247755 (accessed September 21, 2026). |
| Harvard | WordNet 2010, cobalt blue, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/cobalt_blue/definitions/1247755>. |
| MLA | WordNet. "cobalt blue" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/cobalt_blue/definitions/1247755> |