You can spray paint it.
Here are some videos for you! Good luck.
2 cups white vinegar
¼ cup salt
Squirt of dawn
Mix in a spray bottle. If you have a larger area, you can mix in a garden sprayer with larger quantities. Use when it will not be raining for a few hours so that it isn’t washed away.
There are countless styles of outdoor patio furniture made from rattan.
Before we can offer suggestions on how to give your chair a make over, we need to see what it looks like now.
Please post a picture.