Color

#599d01

#599d01
hex#599d01
rgbrgb(89, 157, 1)
hslhsl(86, 99%, 31%)
oklchoklch(0.626 0.177 133.3)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2624

Colors that go with #599d01

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 →

#45019d

#9d9301 · #0b9d01

#01599d · #9d0159

Split-complementary

Open in tool →

#010b9d · #93019d

#019d93 · #45019d · #9d010b

Contrast

#599d01 as textRatioAAAA largeAAAFix
Aaon white
3.36:1failpassfail
  • AA: use #4b8401 as the text (4.57:1)
  • AAA: use #376000 as the text (7.41:1)
  • AA: or shift the background to #262626 (4.5:1)
Aaon black
6.25:1passpassfail
  • AAA: use #5fa701 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 #599d01 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 #599d01
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 #599d01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/599d01-afbea2-4e56df-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