Color

#3fa28c

#3fa28c
hex#3fa28c
rgbrgb(63, 162, 140)
hslhsl(167, 44%, 44%)
oklchoklch(0.648 0.098 175.8)
Closest name: Herbal (#29ab87)Relative luminance 0.2879

Colors that go with #3fa28c

Charcoal, Blue and Copper 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.

Real palettes that use #3fa28c

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a23f54

#3fa25b · #3f86a2

#8c3fa2 · #a28c3f

Split-complementary

Open in tool →

#a23f86 · #a25b3f

#5b3fa2 · #a23f54 · #86a23f

Contrast

#3fa28c as textRatioAAAA largeAAAFix
Aaon white
3.11:1failpassfail
  • AA: use #328170 as the text (4.66:1)
  • AAA: use #255f53 as the text (7.39:1)
  • AA: or shift the background to #2b2b2b (4.56:1)
Aaon black
6.76:1passpassfail
  • AAA: use #42a993 as the text (7.33:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3fa28c 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 #3fa28c
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 #3fa28c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fa28c-a2bebb-d459af-1f2a2d-e9f1ec?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