The tone curve in Lightroom is a powerful tool that allows photographers to make precise adjustments to the tonal values of an image. In this tutorial, we are gonna see how to use a tone curve for colour grading and colour correction. Comprising a graph displaying the tonal range from shadows to highlights, the tone curve allows users to manipulate the brightness and contrast of different parts of an image. The horizontal axis represents the input tones, ranging from shadows on the left to highlights on the right, while the vertical axis represents the output tones. Understanding the tone curve involves recognizing the significance of the different regions on the graph.

The lower-left portion of the tone curve corresponds to the shadows in an image. By dragging this part upward, shadows can be brightened, revealing more details in darker areas. Conversely, dragging it downward increases the contrast by deepening the shadows. The upper-right section corresponds to highlights, with upward adjustments brightening highlights and downward adjustments increasing contrast. The midtones, found in the centre of the curve, control the overall brightness of the image.

Besides these basic adjustments, the tone curve can be used to create more advanced effects. S-curves, for example, involve raising the highlights and lowering the shadows, producing a high-contrast, punchy look. In contrast, a gentle S-curve can enhance the overall tonal range without creating extremes in contrast. The tone curve also allows for adjustments to specific colour channels, providing a way to correct colour imbalances or create creative colour grading effects.

One key advantage of the tone curve is its non-destructive nature. Changes made using the tone curve are applied as adjustments rather than alterations to the original image data. This ensures that the original image remains unaltered and allows for experimentation with different adjustments without fear of permanently affecting the image. Additionally, the tone curve is often used in conjunction with other Lightroom tools, such as the Basic panel, HSL/Color panel, and local adjustment tools, providing photographers with a comprehensive set of tools for image enhancement.

In conclusion, the tone curve in Adobe Lightroom is a versatile and indispensable tool for photographers seeking precise control over the tonal values of their images. From basic adjustments to advanced tonal and colour grading, the tone curve empowers photographers to fine-tune their images to achieve their creative vision. Its non-destructive nature and integration with other Lightroom tools make it an essential component of the digital post-processing workflow.


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Gears used
Canon Eos R5
Tamron 24-70 f/2.8

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My photography gear.

Canon Eos R5
Canon 16-35 f/4 (favourite landscape lens)
Tamron 24-70 f/2.8 G2
Tamron 100-400 f4.5 -6.3
Irix 15mm f/2.4 (My favourite Astro lens)
DJI Pocket 2
Tripod: Benro Rhino 34c
My editing Laptop: a MACBOOK PRO
Editing Monitor: Asus Pro Art 278qv
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00:00 INTRODUCTION
00:42 TONE CURVE?
01:55 COLOUR CORRECTION
03:42 CINEMATIC S CURVE
05:23 COLOUR GRADING
11:57 CONCLUSION
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#cinematic look #color grading in lightroom #color grading tutorial #colour grading lightroom #lightroom classic #color correction #how to color grade in lightroom

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