It took 7 days for the color to completely come in

This Juul's Giant I got from an awesome new buddy from the sales page, spent almost a month in the box, being sent all across the country by USPS. By the time it got here, it had grown some, but the new growth was white. Now it's been in 80% sun until about noon, then it's in the shaded part of my greenhouse. I took a picture of the top every day for the past week to show the photosynthesis happening