Color

#18aaaf

#18aaaf
hex#18aaaf
rgbrgb(24, 170, 175)
hslhsl(182, 76%, 39%)
oklchoklch(0.672 0.111 198.7)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3204

Colors that go with #18aaaf

Charcoal, Tomato and Denim 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.

Real palettes that use #18aaaf

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af1d18

#18af68 · #185eaf

#af18aa · #aaaf18

Split-complementary

Open in tool →

#af185e · #af6818

#6818af · #af1d18 · #5eaf18

Contrast

#18aaaf as textRatioAAAA largeAAAFix
Aaon white
2.83:1failfailfail
  • AA: use #128387 as the text (4.54:1)
  • AAA: use #0d6063 as the text (7.32:1)
  • AA: or shift the background to #303030 (4.66:1)
  • AAA: or shift the background to #080808 (7.06:1)
Aaon black
7.41:1passpasspassPasses 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 #18aaaf 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

#18aaaf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/18aaaf-a2babe-d45990-1f272d-e9f1ee?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