Color

#1fb229

#1fb229
hex#1fb229
rgbrgb(31, 178, 41)
hslhsl(124, 70%, 41%)
oklchoklch(0.666 0.209 143.4)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.3229

Colors that go with #1fb229

Royal Blue, Taupe and Fuchsia 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 →

#b21fa8

#5fb21f · #1fb272

#291fb2 · #b2291f

Split-complementary

Open in tool →

#721fb2 · #b21f5f

#1f5fb2 · #b21fa8 · #b2721f

Contrast

#1fb229 as textRatioAAAA largeAAAFix
Aaon white
2.82:1failfailfail
  • AA: use #18861f as the text (4.7:1)
  • AAA: use #126417 as the text (7.34:1)
  • AA: or shift the background to #303030 (4.69:1)
  • AAA: or shift the background to #0a0a0a (7.03:1)
Aaon black
7.46:1passpasspassPasses 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 #1fb229 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 #1fb229
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 #1fb229 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fb229-a2bea7-a24edf-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