Color

#339979

#339979
hex#339979
rgbrgb(51, 153, 121)
hslhsl(161, 50%, 40%)
oklchoklch(0.616 0.106 168.3)
Closest name: Illuminati Green (#419168)Relative luminance 0.2487

Colors that go with #339979

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.

Real palettes that use #339979

Tints & shades

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

Harmonies

Complementary

Open in tool →

#993353

#339946 · #338699

#793399 · #997933

Split-complementary

Open in tool →

#993386 · #994633

#463399 · #993353 · #869933

Contrast

#339979 as textRatioAAAA largeAAAFix
Aaon white
3.52:1failpassfail
  • AA: use #2b8267 as the text (4.68:1)
  • AAA: use #21634e as the text (7.1:1)
  • AA: or shift the background to #212121 (4.58:1)
Aaon black
5.97:1passpassfail
  • AAA: use #38a885 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #339979 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 #339979
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 #339979 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/339979-a2beb8-d459bb-1f2c2d-e9f1eb?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