Color

#599b0d

#599b0d
hex#599b0d
rgbrgb(89, 155, 13)
hslhsl(88, 85%, 33%)
oklchoklch(0.621 0.172 133.4)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.256

Colors that go with #599b0d

Charcoal, Crimson and Blue 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 →

#4f0d9c

#9c970d · #119c0d

#0d599c · #9c0d59

Split-complementary

Open in tool →

#0d119c · #970d9c

#0d9c97 · #4f0d9c · #9c0d11

Contrast

#599b0d as textRatioAAAA largeAAAFix
Aaon white
3.43:1failpassfail
  • AA: use #4b840b as the text (4.56:1)
  • AAA: use #396308 as the text (7.09:1)
  • AA: or shift the background to #242424 (4.52:1)
Aaon black
6.12:1passpassfail
  • AAA: use #61aa0e as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #599b0d 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 #599b0d
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 #599b0d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/599b0d-aebea2-4e51df-212d1f-f1f1e9?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