Color

#18e2ba

#18e2ba
hex#18e2ba
rgbrgb(24, 226, 186)
hslhsl(168, 81%, 49%)
oklchoklch(0.815 0.153 173.5)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.5813

Colors that go with #18e2ba

Charcoal, Blue and Crimson 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 →

#e21840

#18e254 · #18a5e2

#ba18e2 · #e2ba18

Split-complementary

Open in tool →

#e218a5 · #e25418

#5418e2 · #e21840 · #a5e218

Contrast

#18e2ba as textRatioAAAA largeAAAFix
Aaon white
1.66:1failfailfail
  • AA: use #0e866e as the text (4.51:1)
  • AAA: use #0a6150 as the text (7.4:1)
  • AA: or shift the background to #545454 (4.55:1)
  • AAA: or shift the background to #383838 (7.05:1)
Aaon black
12.63:1passpasspassPasses 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 #18e2ba 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 #18e2ba
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 #18e2ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18e2ba-a2bebc-d459ad-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