Color

#123018

#123018
hex#123018
rgbrgb(18, 48, 24)
hslhsl(132, 45%, 13%)
oklchoklch(0.279 0.057 148.3)
Closest name: Dark Serpent (#113311)Relative luminance 0.0231

Colors that go with #123018

Blue Violet, Charcoal 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 →

#30122a

#1b3012 · #123027

#181230 · #301812

Split-complementary

Open in tool →

#271230 · #30121b

#121b30 · #30122a · #302712

Contrast

#123018 as textRatioAAAA largeAAAFix
Aaon white
14.37:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #328543 as the text (4.57:1)
  • AAA: use #41aa56 as the text (7.11:1)
  • AA: or shift the background to #919191 (4.56:1)
  • AAA: or shift the background to #b5b5b5 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #123018 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#123018 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #123018
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 #123018 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/123018-a2beab-b64edf-1f2d28-ecf1e9?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