As I can see you're working in 32 Bit color mode, the color code field only appears if you're working in 8 Bit or 16 Bit mode, as shown below:
You can change the mode by going to Image > Color Mode.
Let us know if it helps.
I have same problem
hey everyone, i have some problem
iam using Macbook pro 2011
iam using photoshop 2020 , color mode : RGB COLOR & 16 bit but the color code field still missing
i already following your suggestion but it doesnt work
please give me some suggestion more.
Raya from INA