Metal Gradient Generator

A metal gradient simulates the visual quality of polished or brushed metal surfaces. The defining feature is anisotropic shading: highlights and reflections that align to a directional grain rather than spreading evenly. Brushed aluminium has horizontal streaks; brushed steel has slightly more pronounced grain; mirror-finished gold has tight specular highlights with subtle directional bias. All three are metal gradients with different parameter tunings.

The Gradients.design metal generator renders these with real WebGL shader physics rather than with faked Photoshop-style filters. The reflection math computes per-pixel based on surface normals and grain direction, so the result reads as authentic metal at any export resolution. The difference is most visible at large sizes: fake metal filters reveal themselves at 4K and above; the studios real shader rendering does not.

Five built-in metal presets cover the common types: steel (cool blue-grey), aluminium (lighter and softer), copper (warm orange-red), gold (warm yellow), brass (warm gold-yellow with more grain). Each preset is fully editable; you can change tint, grain direction, and roughness without losing the underlying physics.

Most surfaces in computer graphics use isotropic shading: highlights that look the same from every viewing angle, like a sphere lit from above. A perfect Lambertian (matte) surface or a perfect Phong (plastic shiny) surface both use isotropic shading.

Metal does not work this way. Real metal surfaces have microscopic grain (from manufacturing processes like rolling, brushing, or polishing), and this grain causes highlights to spread along the grain direction much more than perpendicular to it. The result: highlights that look like streaks rather than ellipses, and reflections that elongate in the grain direction.

This is what separates "looks like metal" from "looks like a flat colour with a gradient". A Photoshop layer effect can simulate isotropic shading easily; doing anisotropic correctly requires per-pixel reflection math that knows about grain direction at every point. The studios shader handles this, which is why the output reads as real metal.

For users who want to dig into the technical details: the studio uses an anisotropic GGX BRDF (Bidirectional Reflectance Distribution Function), a standard model from physically-based rendering literature. The model has parameters for tangent direction, anisotropy strength, and roughness, all of which map to the editor sliders.

1. Open the metal editor. Visit the free metal gradient generator. The canvas opens with a default brushed-steel surface.
2. Pick a metal type. Steel, aluminium, copper, gold, or brass. Each preset has its own default colour, reflectivity, and grain direction tuned to match the real material.
3. Set grain direction and roughness. Rotate the brushed-metal grain to match your composition. Slide roughness from mirror finish (sharp reflections) to coarse brushed (diffused highlights).
4. Export. PNG up to 8K for print and large-display use. MP4 on Pro plans captures slow rotating-metal motion for product reveal videos.

Each preset evokes a specific brand or product category. Pick based on the message you want to send.

Steel

Cool blue-grey base with pronounced grain. Reads as industrial, premium engineering, automotive. Used heavily by Apple (especially Mac Pro and pre-2024 iMac), Tesla, and BMW marketing.

Aluminium

Lighter than steel, softer grain, slightly warmer. Reads as modern consumer electronics, aerospace, premium kitchenware. The MacBook colour palette starting from 2008 trades on this look.

Copper

Warm orange-red with smooth grain. Reads as artisanal, hand-made, premium kitchen and tabletop. Used in cocktail brand identity, cookware marketing, and luxury watch dials.

Gold

Warm yellow with tight grain. Reads as luxury, premium pricing, traditional craftsmanship. Watch dials, packaging for premium consumer goods, gift card design, religious and ceremonial use.

Brass

Warm gold-yellow with more pronounced grain than pure gold. Reads as vintage, craft, mechanical, slightly steampunk. Used in heritage brand identity, instrument marketing, and editorial design with vintage themes.

Chrome and metal use the same underlying physics but tune differently for different aesthetics. Knowing when to reach for each matters.

For consumer electronics product mockups, metal (especially aluminium) is the right choice. For Y2K-revival album art, chrome is the right choice. The studio offers both because the use cases barely overlap.

Product photography is expensive. Studio time, professional cameras, lighting setups, retouching. For early-stage marketing, packaging design, and digital ads, mocking up the product on a metal backplate avoids photography entirely while producing convincing visuals.

Recommended workflow:

1. In the studio, pick the metal type that matches the product material (aluminium for laptops, steel for kitchen tools, gold for jewelry).
2. Tune grain direction to match how the product would naturally sit (horizontal for objects displayed horizontally, diagonal for action-oriented compositions).
3. Export PNG at 4K minimum. For print, 8K.
4. In Figma or Photoshop, place your product image (with transparent background) on top of the metal backplate.
5. Add a subtle shadow under the product to ground it.
6. Optionally add a soft gradient overlay (radial vignette from corners) to focus attention.

This workflow produces marketing visuals indistinguishable from real product photography for early-stage brand work, and significantly cheaper than a photo shoot.

• Product photography backplates. The most common use. Replaces studio photography for early marketing and packaging mockups.
• Packaging mockups. Especially for kitchen, hardware, electronics, and premium consumer goods.
• App icon backgrounds. Aluminium and steel work well for utility apps targeting professional audiences. Gold for premium app variants.
• Type treatments. Export PNG, use as a text fill in Figma or Photoshop. Gold metal type still reads as luxury in 2026.
• Automotive design. Brand identity work for car manufacturers, aftermarket parts, and automotive media.
• Engineering brand identity. Industrial design firms, hardware engineering companies, manufacturing brands.
• Premium consumer goods. Watches, jewelry, fragrance, premium kitchenware, luxury writing instruments.
• Editorial design with engineering themes. Magazine spreads, book covers, online publications covering technology and craft.

1. Pure-white highlights. Real metal highlights take subtle tint from the metals colour. Pure white reads as a fake. The studios presets tint highlights correctly by default; do not override them with pure white.
2. Grain too pronounced. Excessive brush grain reads as scratched or damaged. Real brushed metal has subtle grain visible only on close inspection.
3. Mismatched grain direction. If the metal is supposed to be on a vertical surface, horizontal grain reads as wrong. Match grain to how the physical metal would be brushed in production.
4. Wrong metal type for the product. Gold for a tech product reads as kitsch; steel for a luxury watch reads as cheap. Match metal type to brand positioning.
5. Pure black for shadow areas. Real metal has reflected light filling shadow regions. The studios shader handles this correctly; do not push roughness so high that shadows go pure black.
6. Animating too fast. The slow brushed-metal flow should be almost imperceptible. Fast animation reads as a screensaver.