11. At such moments her eyes shone the most intense blue that can be imagined. 12. Some intense blue colors, including cobalt blue and cerulean blue, are made with cobalt compounds. 13. An advantage to this application is the intense blue color of the ketyl radical anion. 14. The intense blue reflects the love for Giotto she developed during her trip to Italy. 15. You can help your macrophyllas turn a more intense blue by making the soil more acidic. 16. He brings out an intense blue diamond that, by anyone's standards, is large : 22 carats. 17. They are notable for their mostly large, trumpet-shaped flowers, which are often of an intense blue . 18. CuS dissolves in ammonia forming an intense blue solution, whereas CdS dissolves forming a colourless solution. 19. A southern sun ignites the intense blue and red that are taken straight from vernacular buildings. 20. Many feel the spring flowers are a more intense blue than those on willow blue star.
