What has higher frequency yellow light or blue light?

Many find the pnemonic ROY G BIV helpful.

It represents Red, Orange, Yellow, Green, Blue, Indigo, and Violet.

Red has the lowest frequency, and Violet has the highest frequency.

Therefore, blue light is more energetic, representing a frequency of about 6.38*1014 Hz (470nm).

Yellow light has a frequency of about 5.17*1014 Hz (580nm).

So blue light has a higher frequency than yellow light.