Berkshire Hathaway HomeServices Basic Branding Guidelines 24 A DDI t IONAL C OLO r O P t IONS Horizontal stack without Quality Seal. Allison & Doyle, REALTORS Allison & Doyle, REALTORS Allison & Doyle, REALTORS Allison & Doyle, REALTORS Allison & Doyle, REALTORS Black and white color options are for marketing/advertising materials only and are not to be used for yard signs.