Color

#121d01

#121d01
hex#121d01
rgbrgb(18, 29, 1)
hslhsl(84, 93%, 6%)
oklchoklch(0.212 0.053 127.4)
Closest name: Nightmare (#112211)Relative luminance 0.0101

Colors that go with #121d01

Blue Violet, Charcoal and Crimson 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 →

#0c011e

#1e1b01 · #041e01

#01121e · #1e0112

Split-complementary

Open in tool →

#01041e · #1b011e

#011e1b · #0c011e · #1e0104

Contrast

#121d01 as textRatioAAAA largeAAAFix
Aaon white
17.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.2:1failfailfail
  • AA: use #528505 as the text (4.72:1)
  • AAA: use #67a706 as the text (7.11:1)
  • AA: or shift the background to #828282 (4.55:1)
  • AAA: or shift the background to #a6a6a6 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #121d01 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

#121d01 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #121d01
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 #121d01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/121d01-afbea2-4e5adf-222d1f-f1f0e9?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