Color

#29ef1f

#29ef1f
hex#29ef1f
rgbrgb(41, 239, 31)
hslhsl(117, 87%, 53%)
oklchoklch(0.828 0.272 142.3)
Closest name: Becquerel (#4bec13)Relative luminance 0.623

Colors that go with #29ef1f

Deep Sky Blue, 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 →

#e51fef

#92ef1f · #1fef7d

#1f29ef · #ef1f29

Split-complementary

Open in tool →

#7d1fef · #ef1f92

#1f92ef · #e51fef · #ef7d1f

Contrast

#29ef1f as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #108a0a as the text (4.5:1)
  • AAA: use #0c6407 as the text (7.39:1)
  • AA: or shift the background to #575757 (4.63:1)
  • AAA: or shift the background to #3b3b3b (7.18:1)
Aaon black
13.46:1passpasspassPasses 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 #29ef1f 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 #29ef1f
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 #29ef1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/29ef1f-a2bea4-924edf-1f2d25-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