Tweaked from 55th Kappic Eagles colour scheme, going for blue-green and red-orange (copper) as the main colours.

1. Primed in either Chaos Black or Grey Seer . Doesn't seem to make a difference.

Blacks (boots, gloves, little boxes on backpack)

1. Basecoat with Abaddon Black
2. Highlight with Eshin Grey

Leather straps (leg and arms pads, on backpack) and boot coverings

1. Basecoat with Dryad Bark
2. Wash with Agrax Earthshade
3. Highlight with Baneblade Brown

Cloth and clothing (uniforms, bedrolls, rifle covers)

1. Basecoat with Mechanicus Standard Grey
2. Wash with Nuln Oil
3. Highlight with Dawnstone

Metals

1. Basecoat with Leadbelcher
2. Wash with Nuln Oil
3. Highlight with Stormhost Silver

Armour plates

1. Basecoat with Stegadon Scale Green
2. Layer over with Sotek Green
3. Recess shade with Coelia Greenshade
4. Highlight with Temple Guard Blue

Metal trim and decorative bits (skulls)

1. Basecoat with Screaming Bell
2. Wash with Reikland Fleshshade
3. Layer with Hashut Copper
4. Highlight with Sycorax Bronze

Weapon casings, special equipment

1. Basecoat with Incubi Darkness
2. Recess shade with Coelia Greenshade
3. Highlight with Kabalite Green

Screens on forearms

1. Basecoat with Caliban Green
2. Paint broad L of front and lateral sides of screen with Warpstone Glow
3. Layer a shorter, thinner L with Moot Green
4. Tiny dot of White Scar in opposite corner (back and medial)

Lenses

1. Layer eyes and monoscope lens with Stormhost Silver
2. Layer over with Waystone Green

Plasma glow

1. Basecoat coils with White Scar
2. Glaze coils with 1:1 mix of White Scar : Baharroth Blue
3. Glaze most of coils, going not as far down, with multiple coats of Baharroth Blue
4. Glaze as before, stopping higher up, with multiple coats of Ahriman Blue
5. Glaze as before, mostly the top now, with multiple coats of Stegadon Scale Green
6. Glaze multiple coats of Stegadon Scale Green on weapon casing ~1mm around
7. Edge highlight around coils with Ahriman Blue
8. Fine edge highlight with Baharroth Blue
9. Recess shade bottom of coils where they meet the weapon casing with White Scar heavily thinned with Lahmian Medium

Base

1. Add thin layer of Agrellan Badland
2. Wash with Casandora Yellow
3. Drybrush highlights with Tyrant Skull
4. Paint rim with Abaddon Black

Surface Finish

1. Varnish everything with 1:1 mix of Contrast Medium : Ultra Matte Varnish
2. Varnish metallic parts, lenses, screens, plasma glow with 3:1 mix of Glossy Varnish : Ultra Matte Varnish