Color

#1fdb29

#1fdb29
hex#1fdb29
rgbrgb(31, 219, 41)
hslhsl(123, 75%, 49%)
oklchoklch(0.775 0.251 143.1)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5111

Colors that go with #1fdb29

Taupe, Violet and Hot Pink 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 →

#db1fd1

#74db1f · #1fdb86

#291fdb · #db291f

Split-complementary

Open in tool →

#861fdb · #db1f74

#1f74db · #db1fd1 · #db861f

Contrast

#1fdb29 as textRatioAAAA largeAAAFix
Aaon white
1.87:1failfailfail
  • AA: use #138619 as the text (4.72:1)
  • AAA: use #0f6713 as the text (7.07:1)
  • AA: or shift the background to #4d4d4d (4.52:1)
  • AAA: or shift the background to #303030 (7.05:1)
Aaon black
11.22:1passpasspassPasses 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 #1fdb29 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 #1fdb29
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 #1fdb29 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fdb29-a2bea6-a04edf-1f2d26-edf1e9?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