Color

#1fb238

#1fb238
hex#1fb238
rgbrgb(31, 178, 56)
hslhsl(130, 70%, 41%)
oklchoklch(0.667 0.2 144.9)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.3242

Colors that go with #1fb238

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 →

#b21f99

#50b21f · #1fb281

#381fb2 · #b2381f

Split-complementary

Open in tool →

#811fb2 · #b21f50

#1f50b2 · #b21f99 · #b2811f

Contrast

#1fb238 as textRatioAAAA largeAAAFix
Aaon white
2.81:1failfailfail
  • AA: use #18862a as the text (4.69:1)
  • AAA: use #12641f as the text (7.32:1)
  • AA: or shift the background to #333333 (4.5:1)
  • AAA: or shift the background to #0a0a0a (7.06:1)
Aaon black
7.48:1passpasspassPasses 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 #1fb238 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 #1fb238
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 #1fb238 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fb238-a2beaa-b14edf-1f2d28-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