The fastest way to change brush color

To change your brush color in Photoshop, click the foreground color square in the toolbox on the left side of your screen, then pick a new color from the color picker that opens. The foreground color is the one your brush will use when you paint. You can also press X on your keyboard to swap the foreground and background colors when ready, which is useful if you want to switch between two colors you are already using.

The foreground color square sits at the bottom of the toolbox — it is the larger of two overlapping squares. The background color (the smaller square behind it) does not affect your brush directly, but swapping them with X lets you toggle between colors without opening the picker each time.

Key Takeaways

  • Click the foreground color square in the toolbox to open the color picker and choose a new brush color.
  • Press X to swap foreground and background colors, letting you toggle between two colors without reopening the picker.
  • The color picker offers multiple ways to select: you can click in the color field, type a hex code, or use the hue slider on the right.
  • If you cannot see the toolbox, go to Window > Tools to bring it back.
  • The brush color you set stays active until you change it again, even if you switch to a different brush.

Using the color picker to find the exact color you want

When you click the foreground color square, Photoshop opens the color picker dialog. The large square on the left shows a range of colors — the vertical bar on the right controls which hue (red, blue, green, and so on) you are working with. Click the vertical bar first to narrow down the hue family, then click inside the large square to pick the exact shade and brightness you want.

If you already know the hex code of the color you need (a six-character code like #FF5733), you can paste it directly into the hex field at the bottom of the picker. This is faster than clicking around if you are matching a color from a design file or a website. You can also type RGB values if that is how your color was given to you.

Sampling color from your image with the eyedropper

Instead of picking a color from scratch, you can grab a color that already exists in your image. Hold Alt (on Windows) or Option (on Mac) while your brush tool is active, and your cursor changes to an eyedropper. Click anywhere on your canvas to sample that color as your new foreground color.

This method is much faster when you need to match a color that is already in your artwork. You do not have to open the color picker at all — just hold the modifier key, click, and you are ready to paint with that color.

Resetting to default black and white

If you have changed your colors and want to get back to the default black foreground and white background, press D on your keyboard. This resets both squares when ready. This shortcut is useful if you have been experimenting and want a clean starting point.

You can also click the small black-and-white squares icon that sits just above the foreground and background color squares in the toolbox. It does the same thing as pressing D.

Why your brush color is not changing

If you change the foreground color but your brush still paints in the old color, check that you are using a brush mode that actually respects the foreground color. Some brush presets in Photoshop are set to paint in their own fixed color or texture, ignoring the foreground color you set. Switch to a standard round or soft brush to confirm the foreground color is working.

Also check that your layer is not locked. If the layer has a lock icon next to it in the Layers panel, you cannot paint on it. Click the lock icon to unlock it, then try painting again. If you are painting on a shape layer or text layer, you may need to rasterize it first — right-click the layer and choose Rasterize Layer.

Using the color swatches panel for quick access

If you find yourself using the same few colors over and over, you can save them in the Swatches panel. Paint with a color you like, then go to Window > Swatches to open the panel. Click the small icon at the bottom that looks like a plus sign to add your current foreground color to the swatch library. From then on, you can click that swatch to set it as your foreground color when ready.

You can create multiple swatch libraries for different projects. Right-click inside the Swatches panel and choose Save Swatches to store a set of colors you use together. Load them back later by going to Window > Swatches and clicking the menu icon in the panel.

Frequently Asked Questions

Can I change the brush color while I am painting?

Yes. You can press X to swap colors mid-stroke, or hold Alt (Windows) or Option (Mac) and click on your canvas to sample a new color. Both work while a brush stroke is in progress.

What is the difference between foreground and background color?

The foreground color is what your brush paints with. The background color is used by other tools like the eraser (in some modes) and the bucket fill tool. For brush painting, only the foreground color matters.

Why does my brush color look different on screen than in my file?

This usually means your monitor is not calibrated or your color profile settings are off. Go to Edit > Color Settings and check that your working space matches your monitor profile. If you are unsure, ask your monitor manufacturer for the correct profile.

Can I set the brush color using a keyboard shortcut?

Not directly — you have to open the color picker or use the eyedropper. But you can press D to reset to black and white, and X to swap them. For saved colors, use the Swatches panel.