complementary

Much like the twins, their abilities appear predicated on a complementary duality to assist their masters.

From Salon ● Jul. 18, 2026

The foundation believes that alternative and complementary solutions should be taken into account -- like recycling water, collecting rain water and "better management of tourist demand".

From Barron's ● Jul. 13, 2026

Party insiders say the two are "complementary", each appealing to different sectors of the population and the combination potentially allowing the RN to break through its glass ceiling and finally win power.

From BBC ● Jul. 4, 2026

The discovery relied on the Einstein Probe's two complementary X-ray instruments.

From Science Daily ● Jun. 26, 2026

Cancer may sometimes require the complementary action of two chemicals, one of which sensitizes the cell or tissue so that it may later, under the action of another or promoting agent, develop true malignancy.

From "Silent Spring" by Rachel Carson

But just as much as complementaries, van Gogh loved using colors that are adjacent on the color wheel.

From Washington Post ● Mar. 12, 2019

This novel about young Ged’s education in both magic and self-understanding relies throughout on Taoist notions of complementaries — the balance between light and dark, speech and silence, self and shadow.

From Washington Post ● Oct. 3, 2016

The placing of complementaries so as to increase contrast is another way of adding to the brilliancy of light.

From The Painter in Oil A complete treatise on the principles and technique necessary to the painting of pictures in oil colors by Parkhurst, Daniel Burleigh

In a similar way, light and dark tints act as complementaries.

From The Science of Human Nature A Psychology for Beginners by Pyle, William Henry

For harmony, as well as for richness, the law of complementaries, in its most general application, is the safest of all guides, but it must be followed with fine discrimination.

From Architecture and Democracy by Bragdon, Claude Fayette