Color

#599d0b

#599d0b
hex#599d0b
rgbrgb(89, 157, 11)
hslhsl(88, 87%, 33%)
oklchoklch(0.626 0.175 133.6)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2626

Colors that go with #599d0b

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 →

#4f0b9d

#9d980b · #109d0b

#0b599d · #9d0b59

Split-complementary

Open in tool →

#0b109d · #980b9d

#0b9d98 · #4f0b9d · #9d0b10

Contrast

#599d0b as textRatioAAAA largeAAAFix
Aaon white
3.36:1failpassfail
  • AA: use #498109 as the text (4.74:1)
  • AAA: use #396407 as the text (7:1)
  • AA: or shift the background to #262626 (4.51:1)
Aaon black
6.25:1passpassfail
  • AAA: use #5ea70c as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #599d0b 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 #599d0b
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 #599d0b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/599d0b-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