added text to an image using the ImageDrawText function

i added text to an image using the ImageDrawText function

my requirment is i wnt to change the text color to red ....how can i?

<cfset attr = StructNew()>
<cfset attr.underline = "yes">
<cfset attr.size = 25>
<cfset attr.style = "bold">

<cfset x = 0>
<cfset x = 50>
<cfset text1 = "The position of the image is represented by (x,y).  Each coordinates multiply with above ratio  to fit the image in   .">

<cfset ImageDrawText(myImage1, text1, 0, 50,attr)>