Color

#347f5a

#347f5a
hex#347f5a
rgbrgb(52, 127, 90)
hslhsl(150, 42%, 35%)
oklchoklch(0.539 0.095 159.2)
Closest name: Amazon (#387b54)Relative luminance 0.1665

Colors that go with #347f5a

Charcoal, Crimson and Medium Violet Red 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 →

#7f3459

#347f34 · #347f7f

#59347f · #7f5934

Split-complementary

Open in tool →

#7f347f · #7f3434

#34347f · #7f3459 · #7f7f34

Contrast

#347f5a as textRatioAAAA largeAAAFix
Aaon white
4.85:1passpassfail
  • AAA: use #286245 as the text (7.18:1)
Aaon black
4.33:1failpassfail
  • AA: use #37865e as the text (4.73:1)
  • AAA: use #44a775 as the text (7.03:1)
  • AA: or shift the background to #f7f7f7 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #347f5a as the background.

Brands using this color

mcpConnect your agent — build around #347f5a
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 #347f5a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/347f5a-a2beb3-d459d2-1f2d2c-e9f1ea?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