How to Paint a Light Bulb Blue

Have you ever wondered how to paint a light bulb blue? Here is a step-by-step guide on how to turn your formerly boring, white light bulb into something cool, like blue!

Painting a light bulb blue is an easy way to add some pop to your room. It can be done in less than ten minutes and will only use one drop of paint!


This blog post will give you tips on painting a light bulb blue and provide pictures for easy understanding.

This easy project can be done in your home and doesn’t require any special skills or tools. The only required materials are water-based paint, a brush, and a glass jar to mix the paint in. So let’s get started!

What Supplies and Materials You’ll Need:

  1. Light Bulb
  2. Acrylic paints of different colors
  3. Paint Stirrer for Acrylic Paints
  4. Water
  5. Glossy or Matte Spray Paint

7 Steps to Follow: How to Paint a Light Bulb Blue

Step 1: Gather the Necessary Materials

To paint a light bulb blue, you will need the following materials:

  • A clear incandescent light bulb (avoid using LED or fluorescent bulbs as the paint may not adhere properly)
  • Blue glass paint or high-temperature paint (ensure it is specifically designed for use on glass)
  • Paintbrush or sponge applicator
  • Rubbing alcohol
  • A soft, lint-free cloth or paper towel
  • A disposable cup or small container for paint
  • Newspaper or a drop cloth to protect your work surface
  • Gloves (optional)

Step 2: Prepare the Work Area

Find a well-ventilated area to work in, as the paint may release fumes. Lay down newspapers or a drop cloth to protect your work surface from paint spills and drips. Make sure the area is well-lit, so you can see the light bulb and paint application clearly.

Step 3: Clean the Light Bulb

Before painting the light bulb, ensure it is clean and free of dust or grease. Wipe the surface of the light bulb with rubbing alcohol using a soft, lint-free cloth or paper towel. This will help remove any dirt, oils, or residue that may prevent the paint from adhering properly. Allow the light bulb to dry completely before proceeding to the next step.

Step 4: Prepare the Paint

Pour a small amount of blue glass paint or high-temperature paint into a disposable cup or small container. This will make it easier to apply the paint to the light bulb without contaminating the rest of the paint in the original container.

Step 5: Apply the First Coat of Paint

Using a paintbrush or sponge applicator, begin applying a thin, even coat of blue paint to the surface of the light bulb. Be careful not to apply too much paint at once, as this can cause drips or an uneven finish. Start at the base of the light bulb and work your way up, covering the entire surface in a thin layer of paint.

Step 6: Allow the First Coat to Dry

Once the entire surface of the light bulb is covered with the first coat of paint, allow it to dry for the time recommended by the paint manufacturer. The drying time may vary depending on the type of paint you are using. Make sure the light bulb is positioned in a way that it will not roll or be disturbed during the drying process.

Step 7: Apply Additional Coats of Paint (If Necessary)

After the first coat of paint has dried, examine the light bulb to determine if additional coats are needed. If the blue color is not as opaque or even as desired, apply another thin coat of paint, following the same process as in Step 5. Allow each coat to dry completely before applying the next one. Continue applying additional coats until you achieve the desired color and coverage.

Step 8: Allow the Paint to Cure

Once you have achieved the desired color and coverage with the blue paint, allow the light bulb to cure for the time recommended by the paint manufacturer. This may be anywhere from 24 hours to several days, depending on the type of paint used. The curing process helps the paint bond securely to the glass surface, providing a more durable finish.

Step 9: Test the Light Bulb

After the paint has fully cured, test the light bulb to ensure it still functions properly. Screw the painted bulb into a compatible light fixture and turn on the power. The light should emit a soft, blue glow. If the light bulb does not function, double-check that it is securely screwed into the fixture and that the fixture itself is functioning correctly.

Step 10: Install the Painted Light Bulb

Once you have confirmed that the light bulb functions correctly, install it in the desired light fixture. 

Step 11: Maintain and Care for the Painted Light Bulb

To prolong the life of your painted light bulb, take care when handling and cleaning it. When cleaning the bulb, use a soft, lint-free cloth or duster to gently remove dust and dirt. Avoid using harsh chemicals or abrasive materials that may damage the paint.

Step 12: Monitor the Painted Light Bulb for Signs of Wear

Over time, the paint on the light bulb may begin to wear or chip due to heat exposure and regular use. Regularly inspect the painted light bulb for signs of wear, such as cracking, peeling, or fading. If you notice any of these issues, consider repainting the bulb or replacing it with a new one.

Step 13: Safety Precautions

It is important to note that painting a light bulb may affect its heat dissipation properties. The paint can cause the bulb to retain more heat, which could potentially lead to overheating or even shattering. To minimize the risk of these issues, use a lower wattage bulb or switch to a cooler-burning LED bulb if possible. Additionally, avoid leaving the painted light bulb on for extended periods or using it in enclosed or poorly ventilated fixtures.

By following these steps, you can successfully paint a light bulb blue and create a unique, customized lighting effect in your home or workspace. Remember to monitor the painted light bulb for signs of wear and take appropriate safety precautions to ensure a long-lasting and safe installation.

Tips and Tricks:

1. Start with a clean, adequately lit work area. (Ideally, this would be outside or in a place where you’re not worried about small paint spills and drips.)

2. Make sure the light bulb is cool to the touch. You should test it by touching it first; if too hot for your fingers, let it sit for a while until it’s cool.

3. Take off any stickers or labels on the glass part of the bulb; they will be tough to paint over later if you don’t.

4. Put on latex or other disposable gloves to keep the oil from your skin off of the glass. You can also do this after you’re done and don’t want to paint fingerprints anymore.

5. Remove any screws and carefully take apart the metal pieces of your light bulb; lay them out flat so that they won’t get paint on them.

6. If there are any wires or small metal attachments, you can either remove them completely or lay down some thick masking tape to cover the ends of them, so they don’t poke through your fabric later.

What Type of Paint Should You Use for a Light Bulb?

You should use paint that can handle the high temperature of a lightbulb. This means it must be low-odor, low-VOC (volatile organic compounds), and any paint containing chemicals like ammonium hydroxide.


You can use regular acrylic paint or any kind of spray paint – you don’t need to buy speciality paints.

I used about half an inch in diameter of matte blue craft paint with a glossy finish (the same one they used for my New Year’s Eve Ball).

It was good quality but very thin and required several coats to look blue for the bulb.

Some Advantages of Painting a Light Bulb Blue

1. It Makes the room look cooler in summer because the heat from the lightbulb is trapped inside and turns into infrared light, heating your body instead of just making light for you to see by. (note that it doesn’t make much difference, the lightbulb will emit more infrared light)

2. Creates an illusion of a larger space. As lightbulbs are often the only source of light in an otherwise dark room, it makes the space look much larger.


3. If you want to make a room look like a highly pure light source lights it (and not by four 5 Watt bulbs), painting the bulb blue certainly helps.

4. Painting a lightbulb blue can be cheap. All you need is an empty spray bottle and some blue paint, both of which should be available at your local hardware store.

5. A lightbulb painted blue can be used as a night light for kids afraid of the dark. The blue light makes the room look more friendly.

Frequently Asked Questions

What Kind of Paint Do You Use on Light Bulbs?

When it comes to painting light bulbs, homeowners have a few different choices to make. Some opt for a traditional paint job, while others might choose something less permanent like a sealant. There are pros and cons to both approaches, so homeowners should decide what is best for them.

Traditional Painting:

If homeowners choose to go with traditional painting, they will need to find a light bulb that is compatible with the paint. For example, some bulbs are designed to be painted while others require a sealant.

One big downside of traditional painting is that it can be time-consuming. Not only do homeowners need to find a compatible light bulb, they also need to find the right paint and follow the instructions carefully.


If homeowners want something less permanent, they can opt for a sealant. This approach is similar to traditional painting in that homeowners need to find a compatible light bulb and find the right sealant. The main difference between sealants and paint is that sealants can last longer. In some cases, sealants can last for years without needing to be replaced.

There are pros and cons to both traditional painting and sealant painting when it comes to painting light bulbs. If homeowners are unsure which option is best for them, they should consult with an expert or try a few different approaches before settling on one.

Can I Color a Light Bulb With a Sharpie?

Yes, you can color a light bulb with a sharpie. This is typically done for fun or to show off your creative side, and it does not have any real-world consequences. Just be sure not to get the sharpie inside the light bulb itself – this can cause damage and may even result in a fire. Sharpies are designed for use on paper, not on electrical equipment, so be careful when using them in this way.

Is It Bad to Paint a Light Bulb?

it depends on the specific paint and light bulb combination. Some paint brands may contain lead or other heavy metals that could potentially damage a light bulb if it is painted over. In addition, painting a light bulb can void its warranty and could result in additional costs (such as replacement bulbs). So, while it is technically possible to paint a light bulb, be sure to research the risks involved before proceeding.

What Paint to Mix to Get Light Blue?

the paint you need to mix to get light blue will depend on the specific color you are looking for. However, a good starting point would be to consult with a professional painter or home improvement contractor who can help you identify the correct paint colors and mixing ratios for your project.


You’ve probably seen a lot of different light bulbs in your day. There are incandescent, fluorescent, LED, and even halogen types that can be found at the store.

But what you may not know is how to paint a light bulb blue! That’s why we’re here today to show you how it’s done; it’s quite easy! 

You first need to find an empty paint bottle with liquid inside (we used blue). Then unscrew the bulb from where it sits on the ceiling or wall socket and pour some liquid into said hole.

Next, screw back onto the lamp base/socket and wait for about twenty minutes before switching on again! Your new blue light will now illuminate any room with a very soothing glow.

If you have any questions or comments, feel free to leave them below. Thank you for reading!

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