How to create random pixel art pattern in GIMP?

Question

I just need to do the same process that was done in this post, but in GIMP.

I can add noise to the image in gimp, but I don't know which sliders should I move to get the wanted effect.

Answer 1

There's an easier way

1. Create a new image with as many pixels as you need.

2. Choose a new foreground colour, i.e. a green colour for the grass, and fill the canvas with it using Edit > Fill with FG colour

3. Do Filters > Noise > HSV Noise, and move the Value slider until you get the effect you want.

Answer 2

If you use a color-indexed image, a different solution is to use the Dissolve move that replaces random pixels with another color. Either:

Using another layer:

• Add a layer, fill with a color from the color palette
• Set layer to Dissolve mode
• Reduce the layer opacity to obtain the adequate color mix

Using the paint tool directly:

• Set the FG color from the color palette
• Set the paint tool (brush/bucket) to Dissolve mode
• Reduce the tool opacity
• Paint