-- How strongly the main line color (blue/red) tints the effort-kind fill
-- under the line, as a percentage (0-100) mixed in -- see frontend's
-- ExpectedVsActualChart mixColor(). The phase background above the line is
-- never tinted by the main line color regardless of this setting.
ALTER TABLE profile ADD COLUMN main_line_tint_pct REAL NOT NULL DEFAULT 20;
