Use Photoshop layer mask to adjust the color of flowers

Open a bouquet picture, create a new adjustment layer → Hue/Saturation, adjust the color

The original flower is yellow, adjusted to red

It will be found that the background color changes as well as the color of the bouquet

terms of settlement:

Create a new layer mask in the adjustment layer and fill it with black

The pictures will be sent back later

Select brush tool

Change the foreground color to white

Use the brush tool to smear on the flower, and you will find that the painted place turns red