Color

#3fba26

#3fba26
hex#3fba26
rgbrgb(63, 186, 38)
hslhsl(110, 66%, 44%)
oklchoklch(0.694 0.21 140.8)
Closest name: Exit Light (#55bb33)Relative luminance 0.3631

Colors that go with #3fba26

Charcoal, Royal Blue and Taupe 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 →

#a226ba

#89ba26 · #26ba58

#263fba · #ba263f

Split-complementary

Open in tool →

#5826ba · #ba2689

#2689ba · #a226ba · #ba5826

Contrast

#3fba26 as textRatioAAAA largeAAAFix
Aaon white
2.54:1failfailfail
  • AA: use #2e871c as the text (4.57:1)
  • AAA: use #226615 as the text (7.05:1)
  • AA: or shift the background to #383838 (4.61:1)
  • AAA: or shift the background to #171717 (7.05:1)
Aaon black
8.26:1passpasspassPasses 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 #3fba26 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 #3fba26
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 #3fba26 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fba26-a3bea2-814edf-1f2d23-eef1e9?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