Email Rendering Problems Redux and Redundant

I notice the green background color - and a bunch of other wonky colors throughout - when you analyze the raw HTML file of an email editor 2.0 template.  But when I build an email from the template, it appears as normal.  Based on your screenshots above, you seem to be doing the latter - so no idea why some clients are displaying that green background.

Hey Ed,

Im not sure if it's the case here, but I've seen this bright green (and sometimes "link blue") show up in place of variables that aren't rendering. For example, when I pull my Marketo code (variables and all, template code) and fire it up in my browser (outside of Marketo), anywhere that I've got a bg-color variable set on one of my modules, the browser picks a pretty loud color to substitute the ${VariableName} for. Could it be the case that this email got broken from the template by using the "edit code" functionality? When you look at the file-tree for this asset, on the right hand side it should say Template: Your Template Name Here. If you're seeing Template: None, that could maybe be a reason that the variables weren't unfolding in some places, but Im not sure.

I haven't used 250ok so Im not as familiar with their testing setup, but is there any chance that you've got the body color setup as a variable? Maybe there is a chance that isn't rendering for some reason -- double check the variable syntax and placement against the Marketo Docs (I've mispelled variables and seen something like this). My thoughts here are that it's not replacing the variable name w/ that color and trying to render something like "color:${VarName}" instead of "color:#ffffff;" or something like that.