Isaiah 6:5 records Isaiah seeing the King, the Lord of hosts — parallel to the future vision in chapter 33.

In Psalm 45:2, the king is called 'most handsome' — directly echoing the king's beauty described here.

In Matthew 17:2, Jesus' transfiguration reveals his glory — the NT fulfillment of seeing the king in his beauty.

In John 1:14, the disciples saw the glory of the Word made flesh — the fulfillment of seeing the king in his beauty.

1 John 3:2 promises believers will see God as he is — the same vision of the King's beauty prophesied in Isaiah.

Mark 9:2 describes Jesus' transfiguration — the King's beauty unveiled, fulfilling the promise of seeing the king.

Luke 9:29 describes Jesus' face altered and clothing dazzling — the King's beauty manifested at Transfiguration.

In John 14:21, Jesus promises to manifest himself to believers — a spiritual seeing of the king that echoes the promise here.