Adjective
knife-coloured (comparative more knife-coloured, superlative most knife-coloured)
- Having the colour of a knife's metal blade; especially, having the glint that reflects off the blade.
1967, Joyce Cary, The Horse's Mouth, page 96:Broken lumps of cloud whirling across a knife-coloured sky like wreckage on a Thames flood. Moon running over the house fronts like a spotlight. When it fell on the willows, they trembled like girls caught in dark corners […]
1993, John Banville, Ghosts:There are certain harsh, knife-coloured mornings in springtime that are more plangently evocative than any leaf-blown autumn day.