Color

#18e2b3

#18e2b3
hex#18e2b3
rgbrgb(24, 226, 179)
hslhsl(166, 81%, 49%)
oklchoklch(0.813 0.158 170.3)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.5784

Colors that go with #18e2b3

Charcoal, Royal Blue and Taupe 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 →

#e21847

#18e24e · #18ace2

#b318e2 · #e2b318

Split-complementary

Open in tool →

#e218ac · #e24e18

#4e18e2 · #e21847 · #ace218

Contrast

#18e2b3 as textRatioAAAA largeAAAFix
Aaon white
1.67:1failfailfail
  • AA: use #0e866a as the text (4.53:1)
  • AAA: use #0a614d as the text (7.42:1)
  • AA: or shift the background to #545454 (4.53:1)
  • AAA: or shift the background to #383838 (7.02:1)
Aaon black
12.57:1passpasspassPasses 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 #18e2b3 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 #18e2b3
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 #18e2b3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18e2b3-a2bebb-d459b1-1f2a2d-e9f1ec?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