3.
4. Click the Add button.
5. Use the Old Color tool or the adjacent Color swatch to select the color to remove. (In example above, green.)
6. Use the New Color tool or the adjacent Color swatch to select the color to replace the old color in the capture. (In example above, black.)
7. In Color accuracy, specify the range of colors close to the Old color to include in the substitution. Select the default value of 100% to use only the exact color identified. Select a lower value to increase the range of colors for the color substitution.
8. Click Close.
9.