Grey Horizon is a muted, bluish black with cool undertones and a matte finish. It had semi-opaque, buildable coverage, while the eyeshadow had a soft, dusty texture that sheered out a bit on the lid. Blending and diffusing the edges took some extra effort, but it was manageable, despite the richness of the color. It wore for just over eight hours on me.
FURTHER READING: Formula Overview, which is a detailed review of the range as a whole.