They use " ping" to mean send, as well as the more technical meaning of seeing how long it takes for a message to reach somewhere.

他们使用“ping”来表示发送，以及查看消息到达某处需要多长时间的更多技术含义。

That's a more technical meaning, but in general, it usually means a shade of the color - a kind of a particular color, whereas the word color tends to be a more general term.

这是一个更专业的含义， 但一般来说，它通常表示颜色的深浅 - 一种特定的颜色， 而颜色这个词往往是一个更笼统的术语。