Colors Two-color signature: ® Pantone 375 One-color signature in black: HumanaOne colors ® Pantone 631 The HumanaOne logo only appears in blue and ® green, black, or in white reversed out of a color; and Pantone 7536 in silver for embossing. No other colors may be used. ® Pantone 293 Alternate colors ® Pantone 326 ® Pantone 143 3