Color

#18bed8

#18bed8
hex#18bed8
rgbrgb(24, 190, 216)
hslhsl(188, 80%, 47%)
oklchoklch(0.737 0.125 212.3)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.4198

Colors that go with #18bed8

Charcoal, Dark Orange 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 →

#d83218

#18d891 · #185ed8

#d818be · #bed818

Split-complementary

Open in tool →

#d8185e · #d89118

#9118d8 · #d83218 · #5ed818

Contrast

#18bed8 as textRatioAAAA largeAAAFix
Aaon white
2.24:1failfailfail
  • AA: use #108193 as the text (4.58:1)
  • AAA: use #0c616e as the text (7.12:1)
  • AA: or shift the background to #404040 (4.64:1)
  • AAA: or shift the background to #212121 (7.2:1)
Aaon black
9.4:1passpasspassPasses 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 #18bed8 as the background.

Brands using this color

Fonts for this mood

#18bed8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18bed8
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 #18bed8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18bed8-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