According to “Mudgala Purana” an ancient text on Lord Ganesha, thirty two forms of Ganesha are believed to occur. Haridra Ganesha is one of them. The word Haridra means “Turmeric” haridra Ganapati is made up of “turmeric roots” and considered very lucky and auspicious. https://www.aghortantra.com/haridra-ganapati/