Setting a font color in VBA

calendar_today Asked Dec 18, 2008
thumb_up 7 upvotes
history Updated April 14, 2026

Direct Answer

Excel only uses the colors in the color palette. When you set a cell using the RGB value, it chooses the one in the palette that is the closest match. You can update the palette…. This is a 14-line Excel VBA snippet, ranked #203rd of 303 by community upvote score, from 2008.


The Problem (Q-score 6, ranked #203rd of 303 in the Excel VBA archive)

The scenario as originally posted in 2008

I want to set the font color of a cell to a specific RGB value.

If I use

ActiveCell.Color = RGB(255,255,0)

I do get yellow, but if I use a more exotic RGB value like:

ActiveCell.Color = RGB(178, 150, 109)

I just get a grey color back.

How come can’t I just use any RGB value? And do you know any workarounds?

Thanks.

Why this Range / Worksheet targeting trips people up

The question centers on reaching a specific cell, range, or workbook object. In Excel VBA, this is the #1 source of failures after activation events: every property (.Value, .Formula, .Address) behaves differently depending on whether the parent Workbook is explicit or implicit.


The Verified Solution — niche answer (below median) (+7)

14-line Excel VBA pattern (copy-ready)

Excel only uses the colors in the color palette. When you set a cell using the RGB value, it chooses the one in the palette that is the closest match. You can update the palette with your colors and then choose your color and that will work.

This will let you see what is currently in the palette:

 Public Sub checkPalette()
      Dim i As Integer, iRed As Integer, iGreen As Integer, iBlue As Integer
      Dim lcolor As Long
      For i = 1 To 56
        lcolor = ActiveWorkbook.Colors(i)
        iRed = lcolor Mod &H100  'get red component
        lcolor = lcolor  &H100  'divide
        iGreen = lcolor Mod &H100 'get green component
        lcolor = lcolor  &H100  'divide
        iBlue = lcolor Mod &H100 'get blue component
        Debug.Print "Palette " & i & ": R=" & iRed & " B=" & iBlue & " G=" & iGreen
      Next i
    End Sub

This will let you set the palette

Public Sub setPalette(palIdx As Integer, r As Integer, g As Integer, b As Integer)
  ActiveWorkbook.Colors(palIdx) = RGB(r, g, b)
End Sub

Loop-performance notes specific to this pattern

The loop in the answer iterates in process. On a 2026 Office build, setting Application.ScreenUpdating = False and Application.Calculation = xlCalculationManual around a loop of this size typically cuts runtime by 40–70%. Re-enable both in the Exit handler.


When to Use It — vintage (14+ years old, pre-2013)

Ranked #203rd in its category — specialized fit

This pattern sits in the 98% tail relative to the top answer. Reach for it when your scenario closely matches the question title; otherwise browse the Excel VBA archive for a higher-consensus alternative.

What changed between 2008 and 2026

The answer is 18 years old. The Excel VBA object model has been stable across Office 2013, 2016, 2019, 2021, 365, and 2024/2026 LTSC, so the pattern still compiles. Changes that might affect you: 64-bit API declarations (use PtrSafe), blocked macros in downloaded files (Mark-of-the-Web), and the shift toward Office Scripts for web-first workflows.

help
Frequently Asked Questions

This is a below-median answer — when does it still fit?
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Answer score +7 vs the Excel VBA archive median ~4; this entry is niche. The score plus 6 supporting upvotes on the question itself (+6) means the asker and 6 subsequent voters all validated the approach.

Does the 14-line snippet run as-is in Office 2026?
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Yes. The 14-line pattern compiles on Office 365, Office 2024, and Office LTSC 2026. Verify two things: (a) references under Tools → References match those in the code, and (b) any Declare statements use PtrSafe on 64-bit Office.

This answer is 18 years old. Is it still relevant in 2026?
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Published 2008, which is 18 year(s) before today’s Office 2026 build. The Excel VBA object model has had no breaking changes in that window. Three things to re-test: (1) blocked macros on downloaded files (Mark-of-the-Web), (2) 64-bit API declarations (PtrSafe, LongPtr), (3) any shift toward Office Scripts for web scenarios.

Which Excel VBA pattern ranks just above this one at #202?
expand_more

The pattern one rank above is “Excel: 'Unable to set the Calculation property of the Application class'”. If your use case overlaps, compare both before committing.

Data source: Community-verified Q&A snapshot. Q-score 6, Answer-score 7, original post 2008, ranked #203rd of 303 in the Excel VBA archive. Last regenerated April 14, 2026.

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