Color

#18aeb4

#18aeb4
hex#18aeb4
rgbrgb(24, 174, 180)
hslhsl(182, 76%, 40%)
oklchoklch(0.684 0.113 199.3)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3376

Colors that go with #18aeb4

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b41e18

#18b46b · #1861b4

#b418ae · #aeb418

Split-complementary

Open in tool →

#b41861 · #b46b18

#6b18b4 · #b41e18 · #61b418

Contrast

#18aeb4 as textRatioAAAA largeAAAFix
Aaon white
2.71:1failfailfail
  • AA: use #128387 as the text (4.54:1)
  • AAA: use #0d6063 as the text (7.32:1)
  • AA: or shift the background to #333333 (4.66:1)
  • AAA: or shift the background to #0f0f0f (7.08:1)
Aaon black
7.75:1passpasspassPasses 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 #18aeb4 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

#18aeb4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18aeb4
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 #18aeb4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18aeb4-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