Black is banned. This statement rings in my ears from my art school days, and I keep reading it in how-to books. It can't be further from the truth. Black acrylic paint is an extremely versatile addition to your colour palette - just use it VERY carefully. Small amounts will have a dramatic effect on
The Black and White of Acrylic Paint - Trembeling Art
Choosing Black and White Pigments – Kroma Artist's Acrylics
Comparing Black Paints: Mars Black VS Ivory Black VS Payne's Grey
Shading with Black Pencils - no smudge! — Eni Oken
MARS BLACK
How to Mix Black Paint - Trembeling Art
Comparing Black Pigments, their Properties, and Uses - Jackson's Art Blog
Tips to take the mystery out of using and mixing black--the darkest dark
Color Mixing-How to mix Primary, Secondary, and Tertiary Colors
Colour mixing. Uses of Mars black.
The queen of all colors is black - DANIEL SMITH Artists' Materials