Share Email Facebook Twitter LinkedIn GFCLRLUM (System Variable) 2013-04-10 Product Documentation Intermediate View Original Controls the tint or shade level in a one-color gradient fill. A tint gradient transitions toward white and a shade gradient transitions toward black. Valid values range from 0.0 (darkest) to 1.0 (lightest). Related References Commands for Hatches and Gradients Related Concepts About Hatch Patterns and Fills