Nice work...but I tell ya he looks like he should be a member of one of the other corps with the uniform he's wearing...The Indigo Tribe is...well a lot more like this....
But hey...it's your interpretation. 
I originally tried a costume like that, when it hit me: The Glob doesn't wear a costume anyway. Since he's a shape-shifting android, he usually just parades around naked (like in that picture).
But, given the way the other Indigo Lanterns do dress, I decided to change the basic color scheme: the main color is on the legs and arms, while the contrasting color is the body suit and boots.
And if he encounters a mortally wounded Lantern of another color, he won't be doing any mercy killings: he'll be using that ring to heal 'em up.