The Gulf Between is a 1917 American comedy-drama film that was the first motion picture made in Technicolor, the fourth feature-length color film, and the first feature-length color film produced in t
A surviving frame of the film from a subtractive printing test, approximating the appearance of the original additive two-color projection
A representation of the layers within a piece of developed color 35 mm negative film. When developed, the dye couplers in the blue-, green-, and red-sensitive layers turn the exposed silver halide crystals to their complementary colors (yellow, magenta, and cyan). The film is made up of (A) Clear protective topcoat, (B) UV filter, (C) "Fast" blue layer, (D) "Slow" blue layer, (E) Yellow filter to cut all blue light from passing through to (F) "Fast" green layer, (G) "Slow" green layer, (H) Inter (subbing) layer, (I) "Fast" red layer, (J) "Slow" red layer, (K) Clear triacetate base, and (L) Antihalation (rem-jet) backing.