Color

#1f511a

#1f511a
hex#1f511a
rgbrgb(31, 81, 26)
hslhsl(115, 51%, 21%)
oklchoklch(0.387 0.101 141.8)
Closest name: Mysterious Mixture (#0f521a)Relative luminance 0.0625

Colors that go with #1f511a

Blue, Emerald Green and Sage Green 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 →

#4c1a51

#3a511a · #1a5131

#1a1f51 · #511a1f

Split-complementary

Open in tool →

#311a51 · #511a3a

#1a3a51 · #4c1a51 · #51311a

Contrast

#1f511a as textRatioAAAA largeAAAFix
Aaon white
9.33:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #33872c as the text (4.64:1)
  • AAA: use #42ad38 as the text (7.27:1)
  • AA: or shift the background to #b5b5b5 (4.55:1)
  • AAA: or shift the background to #e0e0e0 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f511a 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

#1f511a reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f511a
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 #1f511a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f511a-a2bea3-8d4edf-1f2d24-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