mongo.js

var results = db.collection.find();

results.forEach(function(doc) {
  var newColorList = [];

  Object.keys(doc).forEach(function(key) {

    if (key !== 'name' || key !== '_id') {

      if (doc[key] === 1) {
        
        newColorList.push(key)
      }
    }
  });

  if (newColorList.length) {

    db.colorCollection.findAndModify({
      query: { _id: doc._id },
      update: { $set: { "colors": newColorList } },
    });
  }
});