I named the pair of this button "AI", which is comes from its colour, Japanese blue, dyed japanese indigo.
Japanese blue has many gradations.
Those two pieces are not dark not deep but nicely faded chic ans soft, gentle blue.
I made this Ring inspired by OBI and Japanse traditional JUNIHITOE kimono (Very acient Japanese Kimono conbinations).
Of course I have ever heard about that each colour conbination has names and we have the name of SAKURA in those spring conbinations.
Just think about the name of SAKURA.
I have thought SAKURA should be pink gradation for those long time, however, I firstly found the SAKURA conbination is RED and WHITE.
This comes from Sakura's flower petal, WHITE (rather than pink) and RED of leaf (In this status,Sakura leaf is red, not green).
The title of this Ring, SAKURA is from the name of this conbination of RED AND WHITE.