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Home / Photo Editing / Curves Tool Tutorial

curves tutorial featured 1200px

How to Understand and Use the Curves Tool for Precision Photo Editing

May 6, 2021 by Darlene Hildebrandt

Updated: November 29, 2025

In this video tutorial, I will help to demystify the Curves Tool for photo editing. It’s one that is commonly misunderstood and is under-utilized for that very same reason.

During one of my weekly Photo Editing Live events on YouTube, I was getting questions about Curves and I promised to do a more in-depth tutorial on this very useful tool. So here it is!

Curves Tool Video Tutorial

In this curves tutorial, I’ll demonstrate how to use the curves tool to adjust the contrast and color of your photo. I am using Luminar AI to demonstrate the curves tool, but the principles are very similar in Lightroom, Photoshop, or any other photo editing software you may use.

You’ve likely used the contrast sliders to adjust contrast, and the highlights and shadows sliders to do the same. But in this curves tutorial, you’ll see how the curves tool gives you so much more flexibility and finer control to your overall look.

The Lightroom curves panel and the Photoshop curves tool work in exactly the same way.

Main takeaways about curves

Here are a few things you need to know about curves:

  • The histogram is represented by the curve as well (blacks on the left, whites on the right, grey in the middle)
  • You can adjust the contrast overall (main curve) or by each color (red, green, blue)
  • Create an s-curve to add contrast
  • Lower contrast with an inverted s-curve
  • You can do create adjustments like a cross-processed or solarized look using curves

Time to practice

Now it’s your turn to give curves a try. Download the greyscale image and the colorwheel below and play around on them using the curves tool. Then try it on some of your own images.

Greyscale DigitalPhotoMentor
Click to open the full sized image in a new tab, then save it to your computer by right-clicking.
2000px RBG color wheel.svg
Click to open in a new tab, then right-click to save it.

I hope this tutorial helps to solve some of the confusion and misunderstandings you may have had about using curves. Consider adding this handy tool to your kit to help you make your images pop and stand out from the crowd.

AI Photo Editing: Read my review of Luminar Neo, the next generation photo editing using AI. It’s an industry game changer. If you’ve already got it, enrolling in my Luminar Neo course should be able to get you up and editing in days instead of weeks. Check it out.

Want more photo editing tips?

If you enjoyed this video and want more photo editing tips, please join me during my YouTube live each Saturday at 1 pm MDT (3 pm EDT/NYC time, 7 pm UK time, 4 am Melbourne time).

DPM Live Photo Editing

Read: The Upside-Down Trick – a Photography Hack to Help You Make Better Images

Click the photo or the link above to set a reminder for yourself. If the time is convenient for you join me live and participate in the chat. You can add comments and ask questions as I edit. It’s a great learning opportunity!

You can also watch the replay later at any time – they are all there forever on my YouTube channel. Make sure you are subscribed!

OR you can submit one or two of your own images and see how I would approach editing them if they are selected. I get a lot of landscape images so would love to get more variety like people photos, macro, abstract, street photography, animals, etc.

Just click the button below and fill out the form.

Submit an image for Darlene to edit here!

***Remember to submit your original camera files (raw is best if you have raw files)***

Cheers,

Darlene Hildebrandt photographer DPM

About Darlene Hildebrandt

Darlene Hildebrandt, Master of Photographic Arts (MPA), is a Canadian photography educator and the founder of Digital Photo Mentor. She holds Canada's highest professional photography designation from Professional Photographers of Canada, served as Managing Editor of Digital Photography School, and represented Canada on Team Canada at the 2025 World Photographic Cup. With over 35 years of experience, from darkroom film retouching to modern digital editing, more than 17,000 students have learned to edit with confidence through her structured online courses in Luminar Neo and Lightroom Classic and the Digital Photo Mentor Community.

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