Ok so with this code
=IIF(Fields!FieldA.Value = 0.00, "White",
IIF(Fields!FieldA.Value < Fields!Target.Value, "Red",
IIF(ABS(Fields!FieldA.Value - Fields!Target.Value) <= 10, "Yellow","White" )))
Target FieldA Actual Result Desired Result
60% 35.16% Red...