text: exports.up = function(knex, Promise) {
    return Promise.all([
      knex.schema.table('palettes', function(table) {
        table.string('color4')
        table.string('color5')
      })
    ])
  }
  
  exports.down = function(knex, Promise) {
    return Promise.all([
      knex.schema.table('palettes', function(table) {
        table.dropColumn('colors')
      })
    ])
  }
  