Have a look here:
http://www.uscg.mil/history/webcutters/Westwind1944.pdf. According to USCG 1965 painting instructions, she would have had a black boot-topping, and white hull. "The superstructure and all attachments thereto shall be white. This includes the following: Deck Houses; Aircastles; Breakwaters; Cabins; Pilot Houses; Engine Trunks; Gun Tubs; Gun Shields, Bridge Wings; Canvas dodgers attached to superstructure, bulwarks or bridge wings. Bulwarks, bulwark supports and brackets. (Except that bulwarks forming an extension of the hull shall be painted the hull color outboard.) Stanchions, lockers, electrical controllers, switch boxes, ventilation ducts, ladders or other details secured to the superstructure. Ventilation ducts, electrical conduits and pipelines bracketed to the superstructure or immediately adjacent to the superstructure. Also apply white to overheads of exterior passageways and shelters and the inboard side of bulwarks and aircastles. To reduce glare within the pilot house caused by bright sunlight, the underside of the visor over the pilot house windows and the inward side of the spray shield or dodger on the bridge may be painted No. 32 Blue Gray as specified for steel decks at the discretion of the Commanding Officer."
"Wood decks shall be left unpainted. Steel decks shall be painted No. 32 Blue Gray. Where there is a coaming at the deck edge the deck paint shall be extended up the inboard surface of the coaming. Deck paint shall also be applied to bounding angles between decks and superstructure or hatch coamings. Where superstructure and hatch coamings are welded to the deck a 4-in. dado of No. 32 Blue Gray may be applied to the vertical surfaces. Dadoes shall not be applied to miscellaneous deck fittings such as bitts, chocks, pedestals, stanchions, etc. Waterways shall be painted No. 32 Blue Gray. Decks on which zinc silicate is applied can remain their normal gray color in the work area. Buoy port deck area should be painted No. 14 Brilliant Yellow from the bulwark back 2 ft. Black stripes on the yellow will help to identify this hazardous area."
"On vessels whose main decks are all wood or nearly all wood the tops of cabins, pilothouses and engine trunks shall be No. 24 Spar except in way of aerial identification markings. Other vessels shall have these areas painted No. 32 Blue Gray."
Stacks shall be painted No. 24 Spar with a broad black band around the top of the stack. The width of the band shall be equal to 1/2 the fore and aft diameter of the stack or 1/5 the height of the stack whichever dimension is the smaller. If the stack has a hood the hood shall also be painted black in addition to the above band and shall form an extension of the band."
"Masts (including ladders, crows nests, platforms, etc.), booms, cranes, davits, flagstaffs, jackstaffs, yardarms and their supports and foundations (other than rigging) shall be painted No. 24 Spar if metal, varnished if wood. Equipment secured to the masts such as radar antennas, radomes, searchlights, bull horn, etc. shall also be No. 24 Spar. Mast areas directly in way of stack gases may be black. Such areas on masts as are painted black when the vessel is commissioned shall be kept painted black in service. The extension of these areas beyond that originally authorized, or the painting of additional areas black without specific authorization from Headquarters is prohibited."
"Deck winches, capstan, winch and capstan controllers, sounding machines, and other deck machinery shall be No. 24 Spar."
"Gun and director foundations, with the exception of working parts and nameplates, shall be painted black. This includes 5-in, gun barrels and interior of hedgehog projectors. 50 cal. foundations shall be painted white.
Interior gun mount shields such as 5/38s shall be painted white. Exterior of gun shields, of hedgehog projectors, ready service boxes, and pyrotechnic lockers shall be painted white. In addition, pyrotechnic lockers shall have the word "PYROTECHNIC" stenciled on the box in a conspicuous location, using the largest practical No. 13 Fire Red letters. 81-mm guns and mounts shall be painted with No. 30 Equipment Gray. Fire Control equipment including gun directors shall be painted with No. 30 Equipment Gray. Detonator boxes shall be No. 13 Fire Red overall with the word "DETONATORS" stenciled in white on the box in a conspicuous location. Torpedo tubes shall be maintained in the delivered preservation color in accordance with NAVWEPS OP 2411. Note: Gun deck and associated ordnance equipment shall be No. 30 Equipment Gray."
"Boat davits, boat chocks, blocks, gallows frames and other boat stowage appurtenances shall be No. 24 Spar."
"In general, miscellaneous objects whose color is not specifically prescribed elsewhere in these instructions, shall be painted white if attached or immediately adjacent to some part of the superstructure that is painted white. They shall be painted No. 24 Spar if attached or immediately adjacent to mast, spars, or other objects whose prescribed color is No. 24 Spar. Objects standing alone on the deck shall also be No. 24 Spar. Stumbling hazards such as deck padeyes, deck clips and other projections shall be painted white for better night visibility."