Answer:
Answer explained below
Step-by-step explanation:
This might be because Nick is working on an OLED display. OLED screens light up the screen based on individual pixel, so they have a very high contrast ratios. Images have deeper blacks and shadows, and the colours are pure.
To see the actual colour, Nick can shift to LCD display. They have a lesser contrast ratio and will denote the colour that will be printed on the paper.