Color

#18c994

#18c994
hex#18c994
rgbrgb(24, 201, 148)
hslhsl(162, 79%, 44%)
oklchoklch(0.743 0.152 165.3)
Closest name: Emerald Green (#50c878)Relative luminance 0.4411

Colors that go with #18c994

Charcoal, Hot Pink and 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 →

#c9184d

#18c93b · #18a5c9

#9418c9 · #c99418

Split-complementary

Open in tool →

#c918a5 · #c93b18

#3b18c9 · #c9184d · #a5c918

Contrast

#18c994 as textRatioAAAA largeAAAFix
Aaon white
2.14:1failfailfail
  • AA: use #108461 as the text (4.67:1)
  • AAA: use #0c644a as the text (7.15:1)
  • AA: or shift the background to #424242 (4.7:1)
  • AAA: or shift the background to #262626 (7.08:1)
Aaon black
9.82:1passpasspassPasses 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 #18c994 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 #18c994
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 #18c994 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18c994-a2beb9-d459b9-1f2b2d-e9f1eb?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