Opaque and cool this is the most intense black available it is a sooty by product of burned mineral oil and tar lamp black mixed with burnt sienna can add a trace of warmth to a passage think classic black velvet use to darken transparent pigment daniel smith extra fine watercolour sticks offer the same superior intensity as the daniel smith line of extra fine watercolour paints with the convenience and portability of half pans each stick is packed with pure pigment and produces vibrant