Color

#18d0ec

#18d0ec
hex#18d0ec
rgbrgb(24, 208, 236)
hslhsl(188, 85%, 51%)
oklchoklch(0.788 0.135 212.1)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5136

Colors that go with #18d0ec

Charcoal, Crimson and Dark Orange 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 →

#ec3418

#18ec9e · #1866ec

#ec18d0 · #d0ec18

Split-complementary

Open in tool →

#ec1866 · #ec9e18

#9e18ec · #ec3418 · #66ec18

Contrast

#18d0ec as textRatioAAAA largeAAAFix
Aaon white
1.86:1failfailfail
  • AA: use #0c8092 as the text (4.65:1)
  • AAA: use #095f6d as the text (7.32:1)
  • AA: or shift the background to #4d4d4d (4.54:1)
  • AAA: or shift the background to #303030 (7.08:1)
Aaon black
11.27:1passpasspassPasses 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 #18d0ec 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

#18d0ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18d0ec
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 #18d0ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18d0ec-a2b7be-df4e81-1f252d-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