A previous description gives a bit more detail: “Payne’s Grey is the one of the coolest blacks and has moderate tinting strength and is ideal for shadows or different tones in stone for landscapes.“ -Gamblin Oils. Gamblin classifies this color as a cool black paint thanks to the presence of Ultramarine. More information and a comparison of Gamblin colors can be found at https://gamblincolors.com/choosingblackoilpaint/. Gamblin classifies this color as cool.