Color

#18fbb3

#18fbb3
hex#18fbb3
rgbrgb(24, 251, 179)
hslhsl(161, 97%, 54%)
oklchoklch(0.875 0.186 163.3)
Closest name: Hyperpop Green (#17f9a6)Relative luminance 0.7244

Colors that go with #18fbb3

Hot Pink, Charcoal and Deep Sky 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 →

#fb1860

#18fb42 · #18d2fb

#b318fb · #fbb318

Split-complementary

Open in tool →

#fb18d2 · #fb4218

#4218fb · #fb1860 · #d2fb18

Contrast

#18fbb3 as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #02835a as the text (4.78:1)
  • AAA: use #026445 as the text (7.21:1)
  • AA: or shift the background to #616161 (4.57:1)
  • AAA: or shift the background to #454545 (7.07:1)
Aaon black
15.49:1passpasspassPasses 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 #18fbb3 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 #18fbb3
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 #18fbb3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18fbb3-a2beb8-d459bb-1f2c2d-e9f1eb?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