According to the Army of the Duke of Savoy, from 1670 the Savoyard regiments mostly wore white-grey coats with various cuff/lining colours, including yellow for the Saluzzo regiment. The Genevois dragoon regiment wore green coats with red cuffs, the Sa Altesse Reale dragoons wore redcoats with blue cuffs, and the Piemonte dragoons wore yellow coats with I think blue or black cuffs. Cavalry officers always wore blue coats from this time. Foot officers were told to dress like their men but often didn't (A mix of red white and blue was common). I think the pike disappeared in 1690. A plate of grenadiers shows a white/grey coat, red cuffs , red stockings/knee breeches, and a red cap similar to those of French dragoons.
Update more Savoy infantry uniforms:
Monferatto regt: White-grey coat, blue cuffs, red stockings.
Reding regt: Redcoats, blue cuffs, blue stockings.
Marines: White grey coat, green cuffs, green knee breeches and white stockings (marines only existed briefly around 1699)
Savoia regt: White grey coat, blue cuffs, grey knee breeches and blue stockings.
The Carbiniers looked like the French ones with blue coats and red cuffs. I think foot drummers wore the facing colours of their regiment.
Genoa: In the Vinhuizen collection there are purple coated/red cuffs/red stockings/red knee breeches Corsicans carrying the Corsican flag (blindfolded faces). There is a "Red Company" wearing red coats, yellow cuffs and blue stockings and knee breeches with a black broad brim hat. There is also a unit wearing an entirely light blue coat and white stockings and knee breeches. There are grenadiers wearing black broad brimmed hats, brown coats and knee breeches, red cuffs, white stockings. Foot officers dressed like their men and had red sashes, aside from the usual wigs or long hair. Some of the images are set during the 1680s.
Venice: (some images here https://i.pinimg.com/564x/2b/c2/1f/2bc2 ... de3371.jpg
and https://i.pinimg.com/564x/0c/8a/71/0c8a ... 0cecff.jpg
In 1684-6 the second image shows 2 units, one fully redcoated (both officers and men), and another bluecoated. Both have bandoliers so the matchlock was probably still in use. But it says Venice abolished the pike in 1686. The officer however unlike his men has blue stockings (the rank and file have white stockings, but a mix of trouser colours including blue, grey and white and buff colour). He has no sash. He has red/white plume in his hat. The pikeman is wearing a fully red coat, no armour but a broad brim hat, blue knee breeches, red stockings and possibly a grey stocking underneath it. He has no sash. The redcoated pikeman also has an orange plume in his hat, while the bluecoated pikeman has an orange lace around the crown of his black hat.
Edit: Correction above. I mistakenly said one man in the image was carrying a cross. I now realise this was a mistake caused by the intersection of the two pikes in the image.
Nicolo Rossi regt (1696-9): White coat, red cuffs, red knee breeches/stockings, black broad brim hat. Officer wears the same with no sash. No bandolier.
The Corso Casilo regt (1696-9) wore blue coat, white cuffs and a type of cap coloured blue. The angle of the drawing makes it hard to tell but it may be a skull-cap, or a fatigue cap similar to those worne by French dragoons. Blue knee breeches and white stockings. No bandolier.
There are some plates of Garde units in the 1690s and early 1700s here. The Bodyguard Carbinier of Morosini in 1693 wore a red overcoat, red waistcoat with a horizontal blue sash over the waistcoat, blue cuffs, blue stockings, red knee breeches and on his head a black conical cap with blue and yellow plume. https://i.pinimg.com/564x/84/34/6c/8434 ... 90c78d.jpg