In colour

In colour 
References in classic literature ?
The common goose has not given rise to any marked varieties; hence the Thoulouse and the common breed, which differ only in colour, that most fleeting of characters, have lately been exhibited as distinct at our poultry-shows.
He remembered with an amused shrug of the shoulders his life in Paris, absorbed in colour, tone, values, Heaven knows what, with the aim of producing beautiful things: the directness of contact with men and women gave a thrill of power which he had never known.
Why, I always supposed everyone thought in colours.