Color

#3fa636

#3fa636
hex#3fa636
rgbrgb(63, 166, 54)
hslhsl(115, 51%, 43%)
oklchoklch(0.642 0.178 142)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.286

Colors that go with #3fa636

Blue, Charcoal and Royal Blue 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 →

#9c36a6

#77a636 · #36a664

#363fa6 · #a6363f

Split-complementary

Open in tool →

#6436a6 · #a63677

#3677a6 · #9c36a6 · #a66436

Contrast

#3fa636 as textRatioAAAA largeAAAFix
Aaon white
3.13:1failpassfail
  • AA: use #33872c as the text (4.52:1)
  • AAA: use #266420 as the text (7.18:1)
  • AA: or shift the background to #2b2b2b (4.53:1)
Aaon black
6.72:1passpassfail
  • AAA: use #42ad38 as the text (7.27:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3fa636 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 #3fa636
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 #3fa636 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fa636-a2bea3-8d4edf-1f2d24-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