Color grading, in the order that actually works
A creative LUT dropped onto uncorrected footage does not give you a look, it gives you mush. Here is the order colorists work in, and what changes when the video is a 9:16 clip watched on a phone outdoors.
8 minute read
Correction and grading are two different jobs
Adobe's own definition splits it cleanly: correction is fixing problems and balancing shots so they look natural and consistent, while grading is adjusting color and contrast to serve a creative choice. Correction has a right answer. White should read as white, exposure should sit where you meant it to, and two cameras covering the same conversation should match so the cut does not flash. Grading has no right answer, because it is taste. Almost every guide blurs the two into one thing called color grading, which is how creators end up skipping the half that has a right answer and going straight to the half that does not. In a professional room these are separate passes, often done by different people. On your laptop they are still separate steps.
The order is why footage looks worse after you grade it
The failure is mechanical rather than aesthetic. Any look you apply is a transformation of the values already in the image, so if you feed it a shot that is a stop underexposed with a green cast off a ceiling light, the transform faithfully maps wrong values to new wrong values and usually exaggerates them. Green creeps further into the shadows, crushed blacks crush harder, and skin goes waxy. That is what people are describing when they say a LUT looks terrible on their footage. Blackmagic builds the same split into DaVinci Resolve, where primary tools balance the entire image and secondary tools then isolate parts of it. The working order is exposure, white balance, contrast, then matching shot to shot. Only after that, a look. If you are fighting a look, the problem is upstream of it.
Log footage, and what the flatness is protecting
If your camera offers a log profile and the footage comes back flat, grey and underwhelming, that is the format working. ARRI's documentation for Log C describes it as a scene-referred encoding in which each stop of exposure raises the signal by the same amount, with whites and blacks deliberately stopping short of their maximum values so highlight and shadow detail survive into post. ARRI is blunt that Log C is not meant to be viewed directly: it has to be tone-mapped and transformed into the target color space first. The consequence for creators is simple and widely ignored. Shooting log commits you to a color pass. Upload it flat and you have published something worse than a standard picture profile would have given you, so if you are not going to grade, do not shoot log.
A LUT is a transform, not a grade
A LUT is a lookup table: a file that says, for a grid of input color values, which output value each one becomes, with everything between those grid points interpolated. It is arithmetic, not judgement. Two different things are sold under the same name. A technical LUT performs a defined conversion, such as taking S-Log3 to Rec. 709, and expects precisely that input. A creative LUT carries a look and assumes the image reaching it has already been corrected. Put a log conversion LUT on footage that was never log and it oversaturates and crushes; put a creative LUT on untouched log and it turns to mud. Both read as a bad LUT and neither is. The professional answer is color management such as ACES, where an input transform brings each camera into a common working space and an output transform sends it to a named display.
Read the scopes instead of trusting your screen
This is the highest-return habit in the whole subject and almost nobody teaches it to creators. Your screen is lying to you: brightness, night shift, a color profile you never chose and the room you are sitting in all change what you see, and none of that travels with the file. Scopes measure the signal instead. The waveform shows brightness across the frame, so you can see whether highlights are clipping and where black actually sits. The RGB parade separates the red, green and blue channels side by side, and Blackmagic's own description of it is that it shows you quickly whether one channel is stronger than the others, which is how you find and kill a color cast in seconds. The vectorscope plots hue and saturation, so you can see how hard you have pushed. Trust the graphs over your eyes.
Skin tone sits on one line, for everyone
The vectorscope has a single target line that does most of the work: the skin tone line, running between red and yellow at roughly the ten-thirty position on the dial. Blackmagic notes the vectorscope is commonly used to check whether skin tones have shifted, and that is exactly the check. One line covers everybody for a physical reason rather than an aesthetic one. As Pixel Valley Studio's explainer puts it, the hue of skin comes from the blood underneath it, which is the same in all of us, while melanin mostly changes brightness and saturation. Different people therefore sit at different distances along that line, not at different angles from it. Land faces on the line during correction and the picture reads as natural before you have touched a look. Then break it on purpose if the look wants warmth.
Color space, HDR, and the washed-out upload
Most washed-out uploads are a color space mismatch, and the platforms do not handle it the same way. YouTube's HDR documentation asks for PQ or HLG with Rec. 2020 primaries, and warns specifically that mastering in DCI-P3 and then tagging it as Rec. 2020 produces an oversaturated look with shifted hues. YouTube also tone-maps HDR down for SDR viewers automatically, and lets you supply your own 3D LUT to steer that conversion. Meta's engineering team has published how Reels handles the same problem: tone mapping on the device before upload on both iOS and Android, plus server-side SDR versions generated with a tuned Hable operator, added after Android HDR uploads were reaching people with washed-out color. YouTube's recommended upload settings name BT.709 for SDR. Unless you are finishing in HDR deliberately and checking it on an HDR screen, deliver Rec. 709.
What a vertical clip on a phone actually needs
Everything above assumes a viewing environment your audience does not have. Researchers at the L V Prasad Eye Institute measured illuminance across nine outdoor and four indoor locations and found outdoor levels around eight times higher, a median of 1,175 lux against 179 lux indoors, rising to 9,300 lux on an open playground. Ambient light on a phone screen raises its effective black level, so shadow separation you built in a dim room is not there on a bus. Compression finishes the job: YouTube's recommended settings assume 4:2:0 chroma subsampling and around 8 Mbps at 1080p, so color carries a fraction of the detail brightness does and gradients band first. Keep contrast honest rather than heavy, avoid deep crushed blacks, and grade the long master once before you cut clips out of it, whether you reframe and caption those by hand or in something like FrameOS.
FAQ
What is the difference between color correction and color grading?
Adobe defines correction as fixing problems and balancing shots so they look natural and consistent, and grading as adjusting color and contrast for a creative choice. Correction has a correct answer you can measure on scopes: white balance, exposure, shot matching. Grading is taste applied afterwards. Doing the creative pass first is the most common reason footage looks worse after editing.
Can I just use a LUT instead of color grading?
No, because a LUT is a fixed transformation of whatever values you feed it. A technical LUT converts one color space to another, such as S-Log3 to Rec. 709, and expects exactly that input. A creative LUT assumes the image is already corrected. Applied to uncorrected footage, either one amplifies whatever was wrong with it rather than hiding it.
Why does my video look washed out or oversaturated after uploading?
Usually a color space mismatch. YouTube warns that footage mastered in DCI-P3 but tagged as Rec. 2020 comes out oversaturated with shifted hues, and it tone-maps HDR to SDR for viewers without HDR screens. Meta added device-side and server-side tone mapping to Reels after Android HDR uploads were arriving with washed-out color. Delivering Rec. 709 avoids most of it.
Do short vertical videos need color grading?
They need correction more than grading. Consistent white balance, exposure and skin tone matter on a phone; a heavy look mostly does not survive the trip. Ambient light raises a phone screen's effective black level, so crushed shadows disappear outdoors, and platform compression makes smooth gradients band. Correct the source once, keep the look restrained, and check the result on an actual phone.
Sources
- DaVinci Resolve – Color · Blackmagic Design
- Log C | Image Science | Learn & Help · ARRI
- Upload High Dynamic Range (HDR) videos · YouTube Help
- Bringing HDR video to Reels · Engineering at Meta
- Ambient light level varies with different locations and environmental conditions: Potential to impact myopia · PLoS One
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