Color

#18583d

#18583d
hex#18583d
rgbrgb(24, 88, 61)
hslhsl(155, 57%, 22%)
oklchoklch(0.412 0.079 161.3)
Closest name: Evergreen (#125b49)Relative luminance 0.0751

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#581833

#18581d · #185358

#3d1858 · #583d18

Split-complementary

Open in tool →

#581853 · #581d18

#1d1858 · #581833 · #535818

Contrast

#18583d as textRatioAAAA largeAAAFix
Aaon white
8.39:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #24845c as the text (4.53:1)
  • AAA: use #2fac78 as the text (7.29:1)
  • AA: or shift the background to #bfbfbf (4.56:1)
  • AAA: or shift the background to #ebebeb (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18583d 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

#18583d reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18583d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #18583d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18583d-a2beb6-d459c8-1f2d2d-e9f1ea?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