Use calculators on right to determine area (in square meters) and amount of paint (in Liters) for your needs.
(Note the ft²/L section towards the bottom of this calculator. This information you will find when you click on any product under "Coverage")
Then choose color from chart below
Then use paint calculator (Excel) below to determine how much color concentrate you will need
(you will need Microsoft Excel to run calculators)
For 321 or 524: