DIY Galaxy Painting Tutorial!

Hi all! I first made a galaxy painting last year for an altered book I had to do for visual arts, so I thought I’d make a tutorial for the blog! This is something that’s really fun to do, and is honestly a lot easier than you might think.


Things You’ll Need!

  • a canvas
  • black paint
  • white paint
  • four colors (or less or more, but four is a good start) for the galaxy itself (if you want inspiration, go to NASA’s galleries, or Cornell’s!)

→  try not to use colors that are too different- blue, purple, and even pink are good starting points, and I tried green which had an okay effect.

  • a sponge paint brush (or two!) If you don’t have a sponge brush, a hard-bristled, old paint brush that will paint and leave wisp-y looks will work!)
  • a large paint brush
  • a regular paint brush
  • a toothbrush (old or new- preferably hard-bristled if new!)
  • metallic paint (optional)
  • a small paint brush (optional)
  • a hair dryer, if you’re impatient like me and just want to keep working 🙂

A WARNING: You will get messy. It’s unavoidable.

Step One: Paint the canvas black.


Step Two: Paint your darkest color onto the sponge brush.

Don’t directly dip the sponge brush in the paint because then it’ll be too thick and won’t have the same look on the canvas. Just grab a paintbrush, dip it into your darkest color for the galaxy, and paint it right on top of the brush!


Step Three: Dab the sponge brush around the canvas!

This is the fun part, because you can do any design you want- spiral galaxies are super cool, irregular galaxies are totally justified, and you can even just dab it all around the page with no set design. Don’t do it too heavily, because you want to be able to see some black through it, and make sure to leave room for the other colors.

Step Four: Repeat with the second darkest color, then the second lightest, and then finally your lightest!

Add some black with the sponge brush if it’s looking a bit overloaded with color, or if your lightest color is a bit too light! The cool thing about this is that honestly, there’s no perfect. Just experiment with whatever you want to do! Mine’s a bit wonky, but ah well.

Step Five: Dip the toothbrush in white paint, and splatter it across the canvas.

To do this, you’ll need to put your thump at the top of the toothbrush and pull back, towards you, to create a splattering of little dots across the canvas!



Repeat until it fully looks like a starry galaxy!

Then, do whatever you want to it- or do nothing!

I chose to paint this quote from Doctor Who on mine with metallic paint:

I am, and always will be, the optimist, the hoper of far-flung hopes, and the dreamer of improbable dreams.

I did one for a friend that had the “900 years of time and space…” quote on it, too!



SPACE, AMIRIGHT? *throws confetti bc I’m a nerd* Do you have any cool artsy things you’ve done recently? Do you think you’ll try this tutorial out? (There’s some other nice, easy tutorials here and here!) TELL ALL BELOW.



7 thoughts on “DIY Galaxy Painting Tutorial!

  1. SPACE YAAS, Omg, I am basically dying in all this artistic ability. This is so beautiful! I dropped art this year at school but I actually really miss doing it… And this looks so fun! My room needs a bit of decoration ahaha, and obviously a galaxy would be an excellent example of that. *nods* I might need to find a sponge brush or something else that would work, though, haha.

    Liked by 1 person

  2. I’m probably going to try this, I actually just posted a Marbled Painting tutorial on my blog “The Painted Pumpkin” that you should totally check out! Thanks for the little lesson, teach!

    Liked by 1 person

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