Color

#18bf7c

#18bf7c
hex#18bf7c
rgbrgb(24, 191, 124)
hslhsl(156, 78%, 42%)
oklchoklch(0.711 0.16 158.8)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3891

Colors that go with #18bf7c

Charcoal, Blue and Cornflower 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 →

#bf185a

#18bf28 · #18aebf

#7c18bf · #bf7c18

Split-complementary

Open in tool →

#bf18ae · #bf2818

#2818bf · #bf185a · #aebf18

Contrast

#18bf7c as textRatioAAAA largeAAAFix
Aaon white
2.39:1failfailfail
  • AA: use #108455 as the text (4.72:1)
  • AAA: use #0c6441 as the text (7.2:1)
  • AA: or shift the background to #3d3d3d (4.54:1)
  • AAA: or shift the background to #1c1c1c (7.13:1)
Aaon black
8.78:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18bf7c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #18bf7c
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 #18bf7c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18bf7c-a2beb6-d459c6-1f2d2d-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