The Change to Color

1. Remove the Leave Color effect, choose Video Effects > Color Correction, and apply the Change to Color effect to that clip.
2. Expand the Change to Color effect in the Effect Controls panel.
3. Move the CTI over the clip so you can see the blue lamp clearly in the Program Monitor.
4. Use the eyedropper next to From to sample the blue color from the lamp.
5. Click the To color swatch and select a red.