Looking to the Star
uses a blue and silver color scheme unless they are actively fighting a foe.
Per Mercenaries Supplemental 2, page 29.
Akuma, Mercenaries Supplemental 2 (color plates)
Deliah's Gauntlet's insignia is a lady's glove with spikes upon the knuckles, gathered into a loose fist with rays of light (presumably from the One Star) shining through the cracks between the fingers. Per FM: Mercenaries Supplemental II, page 29.