Cool Slate is a muted, mid-tone gray alcohol marker with the code S215. Its hex value #515757 makes it useful for work that calls for a mid-tone tone in the gray family. It is part of the Finecolour Sketch range.
Essential for concrete, steel, fog, overcast sky, shadows and any neutral mid-tone foundation.
Mixing & layering
Layer over Gray (J155) for a smooth transition. Pair with Rich Brick (B022) for deep shadow — it's the direct complement. For a triadic palette add Rich Aubergine (S136).
Frequently asked questions
What is the hex code for Finecolour S215?
The hex code for Cool Slate is #515757. In RGB that is 81, 87, 87.
What colour is Finecolour S215?
It is a mid-tone gray alcohol marker.
Which Finecolour range is S215 in?
Cool Slate is part of the Finecolour Sketch range.
What colours pair well with Cool Slate?
The direct complement is Rich Brick (B022). Analogous neighbour: Gray (J155).
What is Finecolour S215 used for?
Essential for concrete, steel, fog, overcast sky, shadows and any neutral mid-tone foundation.