Color

Carbon Fibre

#2e2e2e
hex#2e2e2e
rgbrgb(46, 46, 46)
hslhsl(0, 0%, 18%)
oklchoklch(0.301 0 0)
Relative luminance 0.0273

Colors that go with Carbon Fibre

Amber, Blue and Blush Pink lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#2e2e2e

#2e2e2e · #2e2e2e

#2e2e2e · #2e2e2e

Split-complementary

Open in tool →

#2e2e2e · #2e2e2e

#2e2e2e · #2e2e2e · #2e2e2e

Contrast

Carbon Fibre as textRatioAAAA largeAAAFix
Aaon white
13.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #757575 as the text (4.56:1)
  • AAA: use #969696 as the text (7.1:1)
  • AA: or shift the background to #969696 (4.59:1)
  • AAA: or shift the background to #bdbdbd (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with Carbon Fibre as the background.

Brands using this color

Palettes built around it

Fonts for this mood

Carbon Fibre reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around Carbon Fibre
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2e2e2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e2e2e-a2beb0-c859d4-1f2d2b-eaf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md