Also, presenting options such as "dried arterial blood red" and "slightly but not too radioactive green" might also make you less likely to put in effort to select the real one, rather than just picking randomly.
Admittedly, I can't use them to identify any specific services, but they're cool looking.
Also, presenting options such as "dried arterial blood red" and "slightly but not too radioactive green" might also make you less likely to put in effort to select the real one, rather than just picking randomly.