Color

#1fd137

#1fd137
hex#1fd137
rgbrgb(31, 209, 55)
hslhsl(128, 74%, 47%)
oklchoklch(0.75 0.234 144.1)
Closest name: Lime Green (#32cd32)Relative luminance 0.4617

Colors that go with #1fd137

Blue, Taupe and Violet 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 →

#d11fb9

#60d11f · #1fd190

#371fd1 · #d1371f

Split-complementary

Open in tool →

#901fd1 · #d11f60

#1f60d1 · #d11fb9 · #d1901f

Contrast

#1fd137 as textRatioAAAA largeAAAFix
Aaon white
2.05:1failfailfail
  • AA: use #148523 as the text (4.76:1)
  • AAA: use #0f661b as the text (7.15:1)
  • AA: or shift the background to #474747 (4.53:1)
  • AAA: or shift the background to #292929 (7.09:1)
Aaon black
10.23:1passpasspassPasses 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 #1fd137 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 #1fd137
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 #1fd137 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fd137-a2bea9-ac4edf-1f2d27-ecf1e9?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