17 SPECIAL APPLICATIONS The sample logos shown to the right are appropriate for these applications. Be sure to request test samples or imprints from the vendor prior to final execution. Every material is different, and maintaining the legibility of the logo is paramount. PHILLIPS 66 LOGO: SPECIAL APPLICATION Spot varnish or tone-on-tone for print and etched glass for signage. There will be times when the logo will be used for such special applications as promotions, invitations, announcements, etc. PHILLIPS 66 LOGO: EMBOSS Two-level emboss. PHILLIPS 66 LOGO: DEBOSS Two-level deboss.