Color

#18dcaf

#18dcaf
hex#18dcaf
rgbrgb(24, 220, 175)
hslhsl(166, 80%, 48%)
oklchoklch(0.797 0.154 170.7)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.5448

Colors that go with #18dcaf

Charcoal, Mustard Yellow and Royal 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 →

#dc1846

#18dc4d · #18a8dc

#af18dc · #dcaf18

Split-complementary

Open in tool →

#dc18a8 · #dc4d18

#4d18dc · #dc1846 · #a8dc18

Contrast

#18dcaf as textRatioAAAA largeAAAFix
Aaon white
1.77:1failfailfail
  • AA: use #0f856a as the text (4.58:1)
  • AAA: use #0b6550 as the text (7.02:1)
  • AA: or shift the background to #4f4f4f (4.64:1)
  • AAA: or shift the background to #333333 (7.16:1)
Aaon black
11.9:1passpasspassPasses 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 #18dcaf 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 #18dcaf
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 #18dcaf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18dcaf-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