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Wild combos effect

Candy Oil

Candy Oil is a colour grade in FRCTL, the browser VJ studio. Oil-slick iridescence remapped into bright candy hues.

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.

Try Candy Oil free All effects

The untouched demo art: an eye inside a triangle over wavy teal, blue and peach lines — Source

The eye-in-triangle illustration in navy lines over a busy rainbow of magenta, green, cyan and pink — Candy Oil, default settings

What Candy Oil does

Reads brightness as the thickness of an oil film, so hue cycles round the full wheel as tones change, with warm pixels nudged further along and a slight ramp across the frame set by Direction. Candy pushes saturation up and Sheen washes the brightest tones toward white. Slick sets how fast hue cycles, and at hard right a broad gradient breaks into narrow rainbow contours.

Using Candy Oil

Where it works: Holographic cover art, iridescent logo stings and loud psychedelic loops. Where Optic Nectar paints noise swirls, the rainbow here follows the picture's own tones, so bands trace its contours.
With the music: No audio or clock runs inside, so a still image holds its bands. B2 sub bass on Slick makes drops race the hue through more cycles, and a bar-synced LFO on Sheen washes the top white and back.
Starting point: Slick at centre, Candy three-quarters, Sheen a quarter, Direction on Up, then raise Slick until the bands tighten into contours.

Controls

Slick: How fast the interference hue cycles.
Candy: Candy saturation over the slick.
Sheen: White sheen where the film is thinnest.
Direction: Which way the film thickens across the frame.

Pairs well with Candy Oil

Fluid InkA fluid simulation drags the candy bands into swirls.