duocolor

From duo- +‎ color.

duocolor (not comparable) (rare)

1. Having two colors.
   • 1938, Journal of the Biological Photographic Association, page 71:

     If daylight is present, the resulting pictures may show a duocolor effect—the highlights and middle tones will be correctly rendered but the shadows may reflect the daylight and photograph quite blue.

   • 1948, Gas Appliance Merchandising, volume 20, page 33:

     A duocolor scheme, a combination of wine and light tan, is used as a decorative effect.

   • 1980, Peter Krause, Henry A. Shull, The Complete Guide to Cibachrome Printing, Ziff-Davis Publishing Company, →ISBN, page 117:

     […] correct a lack of color contrast balance in a slide or print material, to lighten the shadow areas of a print, or to obtain duocolor or monochrome effects.

   • 1995 May 9, Guy T. Rice, “Re: Disappointed in 4E....(Multi-lands)”, in rec.games.trading-cards.magic.misc (Usenet), message-ID <3onbt4$rtv@blackice.winternet.com>:

     Oh come on! Saying you can't make a tricolor deck without multilands was bad enough, but now you're saying you can't even make a reliable duocolor deck? _Just how bad are you_ at deck construction?

   • 1997, Lois Patterson, Jon M. Duff, Web Page Design, →ISBN, page 60:

     Use GIF format for any duocolor image (such as black and white or yellow and red).

   • 2017 January 10, A. G. Howard, RoseBlood, Abrams Books, →ISBN:

     With the duocolor job, white at the scalp and fuchsia at the nape, she looks like a grumpy powder puff.

• bichrome
• bicolour
• bicoloured
• dichromatic
• two-tone