Color scales in conditional formatting applies a color to cells in a cell range based on their values, this lets you easily spot maximum and minimum values as well as trends.

How to build

1. Select cell range.
2. Go to tab "Home" if you are not already there.
3. Press with left mouse button on the "Conditional formatting" button.
4. Press with left mouse button on or hover over "Color scales" with the mouse pointer.
5. Pick a predefined color scale or press with left mouse button on "More Rules" to define your own scale and colors.
   

How to customize Color scales

If you want to change the settings for an existing cell range follow these steps:

1. Select the cell range.
2. Go to tab "Home" on the ribbon.
3. Press with left mouse button on "Conditional formatting" button.
4. Press with left mouse button on "Manage Rules..."
   
5. Press with left mouse button on "Edit Rules..."
   

To create a new color scale and also edit settings before creation then follow these steps:

1. Select cells.
2. Go to tab "Home" on the ribbon.
3. Press with left mouse button on the "Conditional Formatting" button.
4. Press with left mouse button on "Color scales".
5. Press with left mouse button on "More Rules..."
   

The settings dialog box appears.

Here you may change the Format style to a 2-Color Scale or 3-Color Scale. The minimum and maximum drop-down lists allow you to change how min and max values are calculated:

• Lowest/Highest
• Number
• Percent
• Formula
• Percentile