complementary
adjective/kõplɨmẽˈtaɾ/high
com·ple·men·tar
Definition
Serving to complete or perfect something; added to another to form a whole.
The main report should be read together with the complementary data.
Blue and orange are complementary colors on the color wheel.
Etymology
Do latim 'complementum' (aquilo que completa) + sufixo '-ar'.