Color

#3fa834

#3fa834
hex#3fa834
rgbrgb(63, 168, 52)
hslhsl(114, 53%, 43%)
oklchoklch(0.647 0.181 141.8)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.2931

Colors that go with #3fa834

Blue, 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 →

#9c34a8

#79a834 · #34a862

#343fa8 · #a8343f

Split-complementary

Open in tool →

#6234a8 · #a83479

#3479a8 · #9c34a8 · #a86234

Contrast

#3fa834 as textRatioAAAA largeAAAFix
Aaon white
3.06:1failpassfail
  • AA: use #328529 as the text (4.64:1)
  • AAA: use #26651f as the text (7.09:1)
  • AA: or shift the background to #2b2b2b (4.63:1)
Aaon black
6.86:1passpassfail
  • AAA: use #41ac35 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3fa834 as the background.

Brands using this color

mcpConnect your agent — build around #3fa834
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 #3fa834 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fa834-a2bea2-8a4edf-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