local player = 1 -- make sure this is an actual player, dont just use this example code!
local blip = GetBlipFromEntity(GetPlayerPed(player))
-- Toggle the crew display.
ShowCrewIndicatorOnBlip(blip, true)
-- Set the crew circle color.
-- hud color 18 seems to be the closest color to the green crew color from GTA:O.
SetBlipSecondaryColour(blip, GetHudColour(18))
-- Result: https://i.imgur.com/iZ9tNWl.png