微妙だ
The difference between the two colors is subtle.
二つの色の違いは微妙です
The difference between the two colors is very subtle.
二つの色の違いはとても微妙です
The difference between the two colors is very subtle even when I compare them closely.
詳しく比較してみても二つの色の違いはとても微妙です
The difference between the two colors is very subtle even when I compare them closely in daylight.
日光の下で詳しく比較してみても二つの色の違いはとても微妙です
They look alike, and the difference between the two colors is very subtle even when I compare them closely in daylight.
似ていますが、日光の下で詳しく比較してみても二つの色の違いはとても微妙です