"There is no set standard, but the most common application of rakusu color is for the front of the rakusu to be black for priests and brown for teachers. The back of the rakusu is left white. The teacher will traditionally write the student's new Dharma name and occasionally their lineage."@en . . "Rakusu"@en . . . "There is no set standard, but the most common application of rakusu color is for the front of the rakusu to be black for priests and brown for teachers. The back of the rakusu is left white. The teacher will traditionally write the student's new Dharma name and occasionally their lineage."@en .