for people who design things, then print them
3.5 × 2 inches
Which is about 89 × 51 mm
That’s it. That’s your answer.
If you want, you can find more paper sizes here.
A box of cards for choosing colours and making colour schemes.
Brought to you by
A box of 130 cards for playing with colour. For digital or print creatives. RGB and CMYK values. Millions of combinations.