Iridescent Gradient: What It Is and How to Prompt It

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Iridescent Gradient

  • holographic
  • aura gradient
  • oil slick
  • rainbow gradient

A form with no colour of its own, washed in a continuous spectrum that ignores its materials.

Draw this style

Opens an image model with the prompt in it. The price is on the page before you sign in.

What it is for

Removing local colour removes every clue about what a thing is made of, so the form itself has to carry the picture. What is left reads as lit from inside rather than lit from outside, which is why it feels otherworldly rather than merely colourful.

How it works

The subject has no colour of its own. One continuous spectrum washes across the whole form and runs straight over every boundary in it. Hue does the work that value normally does. Edges glow softly. The background is dark so the glow has somewhere to fall off into.

When to use it

Use it for music, beauty, fashion and anything that should feel synthetic and lit from within. Avoid it where material matters, because the style removes all of it.

Told apart from its neighbours

Mesh Gradient has no subject at all. Subsurface Character keeps real materials and glows because light passes through them. Primary Gel Wash in the colour catalogue is coloured light falling on a subject that still has its own colour.

Where it is used

It carries a wallpaper, an avatar, an album cover and any picture meant to look synthetic and expensive.

  • Music, fashion and beauty campaigns
  • Phone wallpapers, avatars and album art

The prompt

Replace the blanks with your own character, keep the rest. Then run it on an image model.

<character> rendered as an iridescent gradient, the figure carrying no local colour at all so hair, skin and clothing are all the same material, a continuous smooth spectrum washing across the whole form from cyan through magenta into orange with hue alone describing the shape, the colour transitions ignoring every boundary in the subject and running straight across them, a soft glow at the edges as though the figure were lit from inside, a deep black background, no outline and no shadow

Run it

What goes wrong

A normally coloured figure comes back under a rainbow light. Say the subject has no local colour and that the spectrum runs straight across every boundary in it.

Leave out

local colour, an outline, a cast shadow, material difference, a light source, a flat background

Watch for

No local colour anywhere. The whole effect depends on hair, skin and cloth being indistinguishable, and a model gives the hair its own colour unless it is told not to.

Questions

The colour a thing actually is, independent of the light on it. Removing it entirely is what separates this style from a subject under coloured lighting.

Draw it

Pay for the one run. No subscription, and the price is on the model page before you sign in.

Draw this style

Next to it in smooth, and broken