Sub ColorCount()
Application.ScreenUpdating = False
Dim Y%, B%, W%, C, Blue, Yellow, White
Yellow = RGB(255, 255, 0): Blue = RGB(0, 176, 240): White = RGB(255, 255, 255)
For L = 2 To Range("A65500").End(xlUp).Row
C = Cells(L, "A").Interior.Color
If C = Yellow Then
Y = Y + 1
ElseIf C = Blue Then
B = B + 1
ElseIf C = White Then
W = W + 1
End If
Next L
Cells(2, "K") = B: Cells(2, "L") = Y: Cells(2, "M") = W
End Sub