A system and method for providing custom colored sealant are generally provided with a dispensing container, containing a quantity of sealant base solution. A nozzle, is shaped and sized to be removably secured with an open end portion of the dispensing container. A supplemental container is provided that contains a quantity of sealant thickener. A transfer pipette may be provided for selectively transferring a coloring agent to the dispensing container. The coloring agent may be mixed with the sealant base solution by agitating the dispensing container, until a desired color is attained. The sealant thickener may then added and mixed by similar agitation of the dispensing container. The nozzle is then coupled with the dispensing container and the custom-colored sealant is ready to be dispensed.