CREATE TABLE table_203_186 (id DECIMAL, "painter" TEXT, "composition" DECIMAL, "drawing" DECIMAL, "color" DECIMAL, "expression" DECIMAL)

name one of the painters that was last in rank for color .
SELECT "painter" FROM table_203_186 ORDER BY "color" LIMIT 1
SELECT "painter" FROM "table_203_186" ORDER BY "color" NULLS FIRST LIMIT 1