Color

#3fa254

#3fa254
hex#3fa254
rgbrgb(63, 162, 84)
hslhsl(133, 44%, 44%)
oklchoklch(0.635 0.147 147.8)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2754

Colors that go with #3fa254

Charcoal, Blue and Crimson 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 →

#a23f8c

#5ba23f · #3fa286

#543fa2 · #a2543f

Split-complementary

Open in tool →

#863fa2 · #a23f5b

#3f5ba2 · #a23f8c · #a2863f

Contrast

#3fa254 as textRatioAAAA largeAAAFix
Aaon white
3.23:1failpassfail
  • AA: use #338445 as the text (4.64:1)
  • AAA: use #276334 as the text (7.19:1)
  • AA: or shift the background to #292929 (4.51:1)
Aaon black
6.51:1passpassfail
  • AAA: use #42a958 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3fa254 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 #3fa254
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 #3fa254 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fa254-a2beab-b84edf-1f2d28-ebf1e9?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