Please Note: This article is written for users of the following Microsoft Excel versions: 97, 2000, 2002, and 2003. If you are using a later version (Excel 2007 or later), this tip may not work for you. For a version of this tip written specifically for later versions of Excel, click here: Determining the RGB Value of a Color.

# Determining the RGB Value of a Color

Written by Allen Wyatt (last updated July 9, 2020)
This tip applies to Excel 97, 2000, 2002, and 2003

Neil uses colors a lot in his worksheets. He knows that he can generate a color based upon a numeric RGB value (and as explained in other ExcelTips issues). Neil would like to do the opposite—determine an RGB value. He wonders if there is a way to return (via function or macro) the RGB value of the color used to fill a cell.

Excel doesn't include a function to do this, but you can create your own user-defined function. The function you use depends on what you want to actually have returned to your worksheet. For instance, if you want to have the traditional six-character hex code for RGB colors returned, you would use the following very simple macro:

```Function getRGB1(rcell) As String
Dim sColor As String

sColor = Right("000000" & Hex(rcell.Interior.Color), 6)
getRGB1 = Right(sColor, 2) & Mid(sColor, 3, 2) & Left(sColor, 2)
End Function
```

This macro looks at the interior color for any cell you reference, puts the hex values for the color in the right order, and returns the string to Excel. To use the function you simply invoke it, in your worksheet, with a cell referenced in this manner:

```=getRGB1(B4)
```

You may not want the traditional hex codes for the RGB colors, however. If you want to get the decimal values for each of the colors, then the following macro returns that:

```Function getRGB2(rcell) As String
Dim C As Long
Dim R As Long
Dim G As Long
Dim B As Long

C = rcell.Interior.Color
R = C Mod 256
G = C \ 256 Mod 256
B = C \ 65536 Mod 256
getRGB2 = "R=" & R & ", G=" & G & ", B=" & B
End Function
```

Invoked the same way as the getRGB1 macro, this version returns a string such as "R=255, G=204, B=0". You can also modify the macro even further so that it returns a single value, based upon a parameter you set:

```Function getRGB3(rcell As Range, Optional opt As Integer) As Long
Dim C As Long
Dim R As Long
Dim G As Long
Dim B As Long

C = rcell.Interior.Color
R = C Mod 256
G = C \ 256 Mod 256
B = C \ 65536 Mod 256

If opt = 1 Then
getRGB3 = R
ElseIf opt = 2 Then
getRGB3 = G
ElseIf opt = 3 Then
getRGB3 = B
Else
getRGB3 = C
End If
End Function
```

To use the macro, simply add a second parameter to the function used in your worksheet, specifying what you want:

```=getRGB3(B4,1)
```

If the second parameter is 1, then the function returns just the red value. If you specify a second parameter of 2, then the green value is returned, and 3 returns the blue value. Any other value for the second parameter (or if you omit it entirely) returns the full decimal value of the interior color.

If you don't want to go the route of creating a macro, or if you want to determine colors in more than just your Excel worksheet, you might consider a third-party utility. One that looks interesting is Instant Eyedropper, which is free. You can find more information about it here:

```http://instant-eyedropper.com
```

Note:

If you would like to know how to use the macros described on this page (or on any other page on the ExcelTips sites), I've prepared a special page that includes helpful information. Click here to open that special page in a new browser tab.

ExcelTips is your source for cost-effective Microsoft Excel training. This tip (10179) applies to Microsoft Excel 97, 2000, 2002, and 2003. You can find a version of this tip for the ribbon interface of Excel (Excel 2007 and later) here: Determining the RGB Value of a Color.

##### Author Bio

Allen Wyatt

With more than 50 non-fiction books and numerous magazine articles to his credit, Allen Wyatt is an internationally recognized author. He is president of Sharon Parq Associates, a computer and publishing services company. ...

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What is nine more than 3?

2016-05-25 05:26:33

udaya

RGB2 is very usefull.thanks

2015-10-10 08:21:40

sheldon hopkins

If the question is "What is the RGB value for an existing cell the simplest method is:

Click on the cell
Right click the cell
In the pulldown list, click 'fill'
In the next pulldown, click 'more colors'
and finally click on 'standard'

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