Fathom and Lemon Peel are fairly close. I can look at my Jawbone, and Fast Jacket later, but they are both glossy solid colors. The Fathom has a little green to it almost like it's neon. I feel like it's the same as Retina Burn.
Keep in mind these weren't white balanced
Fathom
Lemon Peel
Retina Burn
Neon Yellow