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• s  of blue tinged with grey

• Above the slopes, where derby-hatted women miners pick and sort the greyish-blue lumps for milling, are Huanuni's strings of company-built miners' homes.
• A black coat hiding her greyish-blue dress (she had taken a black dress with her, but there had been no time to unpack it), her face a pale, wan oval beneath a tight black hat .

• grey-blue
• gray-blue
• grayish-blue