Color

#183d01

#183d01
hex#183d01
rgbrgb(24, 61, 1)
hslhsl(97, 97%, 12%)
oklchoklch(0.32 0.095 136.7)
Closest name: Melancholia (#12390d)Relative luminance 0.0353

Colors that go with #183d01

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 →

#26013c

#353c01 · #013c08

#01183c · #3c0118

Split-complementary

Open in tool →

#08013c · #3c0135

#01353c · #26013c · #3c0801

Contrast

#183d01 as textRatioAAAA largeAAAFix
Aaon white
12.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.71:1failfailfail
  • AA: use #358802 as the text (4.67:1)
  • AAA: use #43ab03 as the text (7.07:1)
  • AA: or shift the background to #9e9e9e (4.59:1)
  • AAA: or shift the background to #c4c4c4 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #183d01 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

#183d01 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #183d01
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 #183d01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/183d01-a9bea2-624edf-1f2d20-f0f1e9?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