Caldera · scrub to study layout
Caldera
> forge fire on warm limestone. The canvas is raw warm plaster, and every orange element reads as glowing embers pressed into the surface.
Caldera runs on a warm limestone canvas flooded with molten orange. The interface is flat and unshadowed, letting ultrabold compressed type at near-architectural scale (up to 189px) carry all structural weight. A single vivid orange (#fc5000) acts as the only aggressive chromatic accent against monochrome warm grays, with a violet plasma reserved for the hero halftone and a sulfur yellow for tags. The visual language is volcanic: condensed heavy letterforms, halftone dot patterns, 40px radii on cards and buttons, and 800px pill controls — heat contained within a soft, paper-like surface. https://caldera.xyz
↗ https://caldera.xyzColor Palette
BRAND
Ember
#fc5000
Primary action buttons, featured stat cards, key visual highlights — the only aggressive chromatic accent; its vivid saturation against warm grays creates urgency without needing supporting decorative weight
Plasma Violet
#524ae9
Hero halftone gradient base, single secondary card surface — appears almost exclusively in the hero dot pattern and one standout card; never used for controls
ACCENT
Sulfur
#f5f28e
Tag and category badge backgrounds, small highlight washes — the soft yellow that labels blog post categories and program announcements
NEUTRALS
Obsidian
#070607
Primary text, headings, link text, button borders — near-black with a barely-warm cast matching the canvas warmth
Pumice
#e2e2df
Page canvas, dominant background — the warm medium-gray that grounds every section; slightly darker than card surfaces to create subtle figure/ground separation without shadows
Limestone
#f7f6f2
Card surfaces, content block backgrounds, secondary button fills — the lighter warm off-white that lifts elements off the page canvas
Chalk
#ffffff
Dark-section text, input text on dark backgrounds, high-contrast overlays — pure white used only where maximum contrast against dark surfaces is required
Typography
The quick brown fox jumps
The quick brown fox jumps
The quick brown fox jumps
The quick brown fox jumps
The quick brown fox jumps
The quick brown fox jumps
The quick brown fox jumps
The quick brown fox jumps
The quick brown fox jumps
THE QUICK BROWN FOX JUMPS
The quick brown fox jumps
FONTS
Spacing & Shape
Guidelines
✓ DO
- Use #8052ff (Electric Iris) exclusively for primary action buttons
- Set headlines at weight 400 with aggressive negative letter spacing (-0.04em)
- Use weight 200 (ultra-light) for 18px body text for airy readability
- Maintain pure #000000 black as section canvas background
✕ DON'T
- Do not use filled violet for large background surface containers
- Do not set body text at standard weight 400
- Do not introduce card containers with heavy borders or drop shadows
- Do not add color gradients to flat UI components
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