Health Status

HDD

Health Status Color Description
Good Blue  
Caution Yellow  
Bad Red  
Unknown Gray  

CrystalDiskInfo reports "Caution" if it detects the raw value over the threshold value (Health Status Setting)

Reference

SSD

Intel, MTRON, SAMSUNG, Indilinx and SandForce controller SSD

Health Status Color Description
Good Blue  
Bad Red Total Erase Count is equal to the maximum value.

Reference S.M.A.R.T. Attribute ID

Ohter SSD

Health Status Color Description
Good Blue  
Caution Yellow  
Bad Red  
Unknown Gray