There are a few ways to adjust contrast in Illustrator. One way is to use the Brightness/Contrast adjustment layer. To do this, go to Layer>New Adjustment Layer>Brightness/Contrast. You can also use the Levels adjustment layer. To do this, go to Layer>New Adjustment Layer>Levels.

To change the brightness on Illustrator, go to the “Window” menu and select “Brightness/Contrast.” You can then adjust the brightness and contrast of your document.

You can’t edit colors in Illustrator because they are locked. To unlock them, select the object you want to change and go to the “Object” menu. Select “Unlock Colors” and the colors will be unlocked.

To change an image to grayscale in Adobe Illustrator, first select the image you want to change. Then go to “Image” > “Mode” and select “Grayscale.

There are a few ways to tint an image in Illustrator. One way is to use the “Tint” option under the “Window” menu. This will give you a slider that you can use to adjust the tint percentage. You can also use the “Hue/Saturation” panel under the “Window” menu to adjust the hue, saturation, and lightness of an image.

There are a few ways to change the color scheme in Illustrator. One way is to go to the Edit menu and select Preferences. Then, select the Colors tab and choose a different color scheme. Another way is to select an object and then go to the Object menu and select Color Mode. There are a few different color modes to choose from, such as RGB and CMYK.

In Illustrator, you can change the color of an image by selecting it and then using the color palette to choose a new color. You can also use the eyedropper tool to select a color from another part of the image.

To change the color of an object in Illustrator, select the object and then use the color palette to choose a new color. You can also select a color from a photograph or other image.

The first versions of Adobe Illustrator were in black and white because that was all the hardware could support at the time. Even today, many people still use Illustrator in black and white because it can be easier to work with than color.

There are a few ways to change a theme in Illustrator. One way is to go to the Window menu and click on Themes. Another way is to right-click on the Artboard and select Change Theme. A third way is to go to the Edit menu and select Preferences. In the Preferences window, select the Interface tab and then click on the Theme drop-down menu.