grey-blue, a. and n.
A. adj. Of a blue colour tinged with grey. B. n. A grey-blue colour.
| 1888 Quiver Sept. 827/1 Her keen grey-blue eyes. 1893 Gunter Miss Dividends 263 He knows what those gray-blue lips mean. 1897 M. Kingsley W. Africa 186 The more distant peaks were soft gray-blues and purple. |
Hence grey-blue v., to make greyish-blue in hue.
| 1834 Blackw. Mag. XXXV. 821 A hissing of red-hot iron, that loses none of its heat, though it grey-blues its colour. |