Color

#1fd166

#1fd166
hex#1fd166
rgbrgb(31, 209, 102)
hslhsl(144, 74%, 47%)
oklchoklch(0.755 0.2 150.2)
Closest name: Battletoad (#11cc55)Relative luminance 0.4685

Colors that go with #1fd166

Violet, Light Coral and Charcoal 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 →

#d11f8a

#31d11f · #1fd1bf

#661fd1 · #d1661f

Split-complementary

Open in tool →

#bf1fd1 · #d11f31

#1f31d1 · #d11f8a · #d1bf1f

Contrast

#1fd166 as textRatioAAAA largeAAAFix
Aaon white
2.03:1failfailfail
  • AA: use #148541 as the text (4.71:1)
  • AAA: use #0f6632 as the text (7.08:1)
  • AA: or shift the background to #474747 (4.59:1)
  • AAA: or shift the background to #292929 (7.18:1)
Aaon black
10.37:1passpasspassPasses 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 #1fd166 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 #1fd166
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 #1fd166 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fd166-a2beb0-ca59d4-1f2d2b-eaf1e9?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