Outdoor split leaf philodendron

Question

A new leaf unfurled and it is pale yellow instead of healthy green. All the other Phil’s are fine. It looks as if it’s been deprived of almost all color but nothing has changed in location for 3 years. I’m including a pic

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Answer 1

A new leaf is often lighter in color and this is perfectly normal.
This article has more care information.

https://www.gardeningknowhow.com/houseplants/philodendron/outdoor-philodendron-care.htm