Their parade scheme is charcoal, fading to white at the extremities. Opacus units have distinct red slashes on their left sides. Venatori units have a single white stripe running down the left torso and leg.
Per Starterbook: Wolf and Blake, page 32.
40th Shadow Division
The 40th Shadow Division paints their 'Mechs black on lower portions (aftward for ASFs and vehicles), fading to light gray towards the top (forward for ASFs and vehicles), with bone highlights on the arms (turrets/wings).
41st Shadow Division
The 41st Shadow Division paints their 'Mechs black on lower portions (aftward for ASFs and vehicles), fading to light gray towards the top (forward for ASFs and vehicles), with bronze highlights on the arms (turrets/wings).
42nd Shadow Division
The 42nd Shadow Division paints their 'Mechs black on lower portions (aftward for ASFs and vehicles), fading to light gray towards the top (forward for ASFs and vehicles), with chrome highlights on the arms (turrets/wings).
43rd Shadow Division
The 43rd Shadow Division paints their 'Mechs black on lower portions (aftward for ASFs and vehicles), fading to light gray towards the top (forward for ASFs and vehicles), with blue highlights on the arms (turrets/wings).