Monarch Caterpillar All Yellow

Does anyone know if this Cat is healthy? It’s all yellow with even its face!
***update!***the cat was molting! Just slower than the others, it is still paler than the others but has very thin black lines. Thank you for all the advice!
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color variation can be attributed to temperature or light exposure: Solensky and Larkin, 2003

so this one is just fine.

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Oh good I’m so glad! Thank you!

check to see if it changes, it could be a fresh molt

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I was wondering the same thing after making this observation.

If it doesn’t color up in a bit, keep an eye on that one. I’d be curious to see if there’s any chance it’s some sort of pigment issue that might result in a neat butterfly.

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