Counterchange is a pattern where colours swap across a dividing line. A shield in counterchange.
What is gold on the black half is black on the gold half, and the eye reads it at once. Counterchange is a heraldic term and a design one, and it works because the mind supplies the join.
1nouncounterchangeA pattern where colours swap across a dividing line.
“The tiles were laid in counterchange down the whole hall.”
counterchange is a pattern.
Middle French contrechange, counter plus change; heralds used it to describe arms divided down the middle with the tinctures reversed.
Middle French
contrechange
English, today
counterchange
From Middle French contrechange (noun), contrechanger (verb).
Etymology from Wiktionary, CC BY-SA
Practised in A Song of Ice and Fire