Color

#59991a

#59991a
hex#59991a
rgbrgb(89, 153, 26)
hslhsl(90, 71%, 35%)
oklchoklch(0.616 0.166 133.7)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2498

Colors that go with #59991a

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 →

#591a99

#99991a · #1a991a

#1a5999 · #991a59

Split-complementary

Open in tool →

#1a1a99 · #991a99

#1a9999 · #591a99 · #991a1a

Contrast

#59991a as textRatioAAAA largeAAAFix
Aaon white
3.5:1failpassfail
  • AA: use #4d8316 as the text (4.59:1)
  • AAA: use #386010 as the text (7.37:1)
  • AA: or shift the background to #212121 (4.6:1)
Aaon black
6:1passpassfail
  • AAA: use #63aa1d as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #59991a 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 #59991a
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 #59991a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59991a-adbea2-514edf-202d1f-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