Color

#18310d

#18310d
hex#18310d
rgbrgb(24, 49, 13)
hslhsl(102, 58%, 12%)
oklchoklch(0.283 0.067 137.4)
Closest name: Dark Serpent (#113311)Relative luminance 0.0242

Colors that go with #18310d

Charcoal, Crimson and Royal Blue 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 →

#260d30

#29300d · #0d3014

#0d1830 · #300d18

Split-complementary

Open in tool →

#140d30 · #300d29

#0d2930 · #260d30 · #30140d

Contrast

#18310d as textRatioAAAA largeAAAFix
Aaon white
14.15:1passpasspassPasses AAA — no fix needed.
Aaon black
1.48:1failfailfail
  • AA: use #418523 as the text (4.6:1)
  • AAA: use #52a92d as the text (7.07:1)
  • AA: or shift the background to #949494 (4.67:1)
  • AAA: or shift the background to #b8b8b8 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18310d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#18310d reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18310d
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 #18310d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18310d-a7bea2-6e4edf-1f2d21-eff1e9?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