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Grain, halation, and bloom — the three effects that separate a colour grade from a film look. No plugins, no Resolve, no After Effects. All in Luttie.
Three effects. One film look.
Each addresses a different optical characteristic of real film stock.
Film Grain
Luminosity-blended noise that sits naturally in midtones and fades at the extremes — the way real film grain behaves. Control amount and size independently.
Halation
Warm red-orange glow that bleeds from bright areas into surrounding midtones — the optical signature of film stock overexposed at the edges. Hue, amount, and radius are all adjustable.
Bloom
Soft glow that emanates from highlights — light spilling past its boundary, the way old lenses and film stocks render bright sources. Set the threshold to control which highlights bloom.
Why film effects matter for colour grading
Colour grades alone look digital
Even a perfect teal-orange grade on clean digital footage still reads as digital. Film effects add the physical imperfections — texture, light bleed, glow — that signal analogue capture to the viewer's eye.
Grain anchors the image
Film grain gives the eye something to rest on. Clean digital footage can feel uncomfortably sharp and 'floaty'. Grain at even low amounts (5–15%) adds a perceived warmth and stops footage from looking oversharpened.
Halation is the most recognisable film signature
The warm red-orange glow around street lights, windows, and skin highlights in strong backlight — that's halation. It's the single most recognisable characteristic of film stock and the hardest to fake with colour grading alone.
Bloom softens harsh digital highlights
Digital highlights clip hard and bright. Film highlights bloom — they diffuse into surrounding pixels before clipping. Bloom applied at a low threshold softens this digital edge and makes highlights feel more organic.
Frequently asked
Do film effects get baked into the exported LUT?
No — film effects (grain, halation, bloom) are spatial effects that operate on pixels, not colour transforms. They're visible in the canvas preview but the .cube LUT export contains only your colour grade. This is the correct behaviour: apply the LUT in your NLE, then add film effects as a separate node or effect layer on top.
How is Luttie's film grain different from just adding noise in Premiere?
Luttie's grain uses luminosity blending — it's strongest in midtones and fades naturally in deep shadows and bright highlights, exactly like real film grain. Flat noise overlays (Premiere's 'Noise' effect) apply uniformly across all tones, which looks artificial. The size control also lets you go from fine-grain 35mm to chunky medium-format.
Is this the same as Dehancer or VSCO film simulation?
Similar intent, different approach. Dehancer and VSCO simulate specific film stocks (Kodak Portra, Fuji 400H, etc.) with per-stock colour science. Luttie's film effects are parametric — you control the characteristics directly rather than choosing a preset stock. More flexible for video work where you're building a custom look rather than matching a reference.
Can I use film effects on RAW files?
Yes. Load your CR2, ARW, NEF, DNG, or RAF file, apply your colour grade, then add film effects on top. The effects see the fully decoded and graded image, so halation responds to the actual highlights in your shot.
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Individual effects