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Warm effect

Berry Nocturne

Berry Nocturne is a colour grade in FRCTL, the browser VJ studio. Grape lows through magenta berry into violet and rose.

Runs live on video, images, a camera or generated art. Stack it with any other effect, and route LFOs, envelopes or any of ten audio bands to its controls so it moves with the music.

The untouched demo art: an eye inside a triangle over wavy teal, blue and peach lines
Source
The eye-in-triangle illustration in deep grape lines with blue-violet and pink wavy bands
Berry Nocturne, default settings

What Berry Nocturne does

Shadows fall to grape, then brighten through magenta berry into a rose-pink top. Violet works differently: it keys off the source's blue channel, so skies, denim and cool light turn blue-violet while reds and skin stay berry and rose. Raise Grape to pull magenta down into the shadows, raise Rose to bloom pink across the upper mids.

Using Berry Nocturne

Where it works
Late-night R&B covers, slow intros and anything lit by club blues, since the blue-keyed violet keeps cool light apart from warm tones. Moodier than Radioactive Rose, and there's no green anywhere in it.
With the music
The grade sits still until you route something. Send B3 bass body to Violet so basslines push blue areas deeper into violet, and put a slow LFO on Rose to swell the pink highs over each phrase.
Starting point
Grape at centre, Violet three-quarters, Rose a quarter, then lift Rose until the brightest areas just turn pink.

Controls

Grape
Grape floor into berry magenta.
Violet
Blue-violet mid from the blue channel.
Rose
Rose highlight bloom.

Pairs well with Berry Nocturne