Seals most commonly employ white characters, the red filling the negative space. These are called ''hakubun'in'' (lit. "white characters seal"), while the reverse, in which the characters are imprinted directly in red, are called ''shubun'in'' (lit. "red characters seal"). | Seals most commonly employ white characters, the red filling the negative space. These are called ''hakubun'in'' (lit. "white characters seal"), while the reverse, in which the characters are imprinted directly in red, are called ''shubun'in'' (lit. "red characters seal"). |