Color

#12430a

#12430a
hex#12430a
rgbrgb(18, 67, 10)
hslhsl(112, 74%, 15%)
oklchoklch(0.337 0.1 141.2)
Closest name: British Racing Green (#05480d)Relative luminance 0.0416

Colors that go with #12430a

Crimson, Royal Blue and 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 →

#3b0a43

#2e430a · #0a431f

#0a1143 · #430a11

Split-complementary

Open in tool →

#1f0a43 · #430a2e

#0a2e43 · #3b0a43 · #431f0a

Contrast

#12430a as textRatioAAAA largeAAAFix
Aaon white
11.46:1passpasspassPasses AAA — no fix needed.
Aaon black
1.83:1failfailfail
  • AA: use #248a15 as the text (4.72:1)
  • AAA: use #2dad1a as the text (7.1:1)
  • AA: or shift the background to #a3a3a3 (4.54:1)
  • AAA: or shift the background to #cccccc (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 #12430a 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

#12430a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12430a
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 #12430a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12430a-a2bea2-864edf-1f2d23-eef1e9?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