Color

#599778

#599778
hex#599778
rgbrgb(89, 151, 120)
hslhsl(150, 26%, 47%)
oklchoklch(0.625 0.08 161.1)
Closest name: Illuminati Green (#419168)Relative luminance 0.2561

Colors that go with #599778

Charcoal, Copper and Blush Pink 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 #599778

Tints & shades

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

Harmonies

Complementary

Open in tool →

#975978

#599759 · #599797

#785997 · #977859

Split-complementary

Open in tool →

#975997 · #975959

#595997 · #975978 · #979759

Contrast

#599778 as textRatioAAAA largeAAAFix
Aaon white
3.43:1failpassfail
  • AA: use #4b8166 as the text (4.53:1)
  • AAA: use #39604d as the text (7.11:1)
  • AA: or shift the background to #242424 (4.53:1)
Aaon black
6.12:1passpassfail
  • AAA: use #62a382 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #599778 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 #599778
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 #599778 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/599778-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