Montblanc Petrol Blue is a beautiful, medium-to-deep teal ink with a high saturation, excellent shading, and a steely blue-green colour with hints of turquoise, released as the Montblanc Colour of the Year 2019. It has very little to no water resistance, but offers a smooth flow and is suitable for most papers, though its performance can vary. The ink is a fast-drying, non-sheening, and non-waterproof ink with a good amount of character and high saturation.
