Color

#18f2df

#18f2df
hex#18f2df
rgbrgb(24, 242, 223)
hslhsl(175, 89%, 52%)
oklchoklch(0.865 0.15 184.7)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.6903

Colors that go with #18f2df

Charcoal, Deep Sky Blue and Taupe 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 →

#f2182a

#18f272 · #1897f2

#df18f2 · #f2df18

Split-complementary

Open in tool →

#f21897 · #f27218

#7218f2 · #f2182a · #97f218

Contrast

#18f2df as textRatioAAAA largeAAAFix
Aaon white
1.42:1failfailfail
  • AA: use #088278 as the text (4.69:1)
  • AAA: use #066059 as the text (7.43:1)
  • AA: or shift the background to #5e5e5e (4.57:1)
  • AAA: or shift the background to #424242 (7.09:1)
Aaon black
14.81:1passpasspassPasses 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 #18f2df 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 #18f2df
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 #18f2df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18f2df-a2bdbe-d4599f-1f282d-e9f1ed?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