Kalmus from July 23, 1902 to June 22, 1922, and they continued to live together until 1944.Originally a catalog model, then an art student, Kalmus made sure that costumes, sets and lighting were adjusted for the color film process's sensitivities.
Her services were contractually part of Technicolor's services.
In her work to make sure filming rendered colors properly on screen, she was accused of going to the other extreme of mildness.
She wrote: "A super-abundance of color is unnatural, and has a most unpleasant effect not only upon the eye itself, but upon the mind as well." She recommended "the judicious use of neutrals" as a "foil for color" in order to lend "power and interest to the touches of color in a scene." Producer David O.
Selznick complained in a memo during the making of Gone with the Wind:
Director Vincente Minnelli recalled of making Meet Me in St.
Louis, "My juxtaposition of color had been highly praised on the stage, but I couldn't do anything right in Mrs.
Kalmus's eyes." Director Allan Dwan was more blunt: "Natalie Kalmus was a bitch."Her association with Technicolor ended in 1948 when she named the corporation as a co-defendant in an alimony suit against Herbert Kalmus, when it appeared he was about to remarry.
She sued unsuccessfully for separate maintenance and half his assets of Technicolor, Inc.
In 1950 she licensed her name for a line of designer television cabinets made by a California manufacturer.
Her personal papers are now in the Margaret Herrick Library at the Academy of Motion Picture Arts and Sciences.