UM IS THIS NORMAL?? Help me please!!

Thyra • 17 year old Heathen. “My gods will be at my side to victory or Valhalla”

So um I’ve either never noticed this before or never had this happen to me before. Is this normal? My veins are extremely seeable and blue (I know they’re supposed to be blue). What could’ve caused it? I’m freaking out, please help me. Thanks y’all!