Eric Meyer's blog post about why it should be called 'rebeccapurple' - see https://meyerweb.com/eric/thoughts/2014/06/19/rebeccapurple/
This is an incredibly poetic, heartbreaking statement.
"...A couple of weeks before she died, Rebecca informed us that she was about to be a big girl of six years old, and Becca was a baby name. Once she turned six, she wanted everyone (not just me) to call her Rebecca, not Becca."