cyan-blue
[f. Gr. κύαν-ος or κυάν-εος (see below).]
A greenish-blue colour, lying between green and blue in the spectrum.
| 1879 O. N. Rood Chromatics vii. 81 The lake itself displays a wonderfully intense cyan-blue colour. 1880 Nature XXI. 426 The cyan-blue region lying between green and blue. |