Color

#313f18

#313f18
hex#313f18
rgbrgb(49, 63, 24)
hslhsl(82, 45%, 17%)
oklchoklch(0.345 0.063 126)
Closest name: Forestry (#2f441f)Relative luminance 0.0427

Colors that go with #313f18

Sea Green, Steel Blue and Amber 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 →

#26183f

#3f3a18 · #1d3f18

#18313f · #3f1831

Split-complementary

Open in tool →

#181d3f · #3a183f

#183f3a · #26183f · #3f181d

Contrast

#313f18 as textRatioAAAA largeAAAFix
Aaon white
11.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #617e30 as the text (4.54:1)
  • AAA: use #7ea33e as the text (7.2:1)
  • AA: or shift the background to #a6a6a6 (4.65:1)
  • AAA: or shift the background to #cccccc (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 #313f18 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

#313f18 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #313f18
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 #313f18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/313f18-b0bea2-4e5fdf-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