Color

#587d21

#587d21
hex#587d21
rgbrgb(88, 125, 33)
hslhsl(84, 58%, 31%)
oklchoklch(0.543 0.126 129.1)
Closest name: Enchanted Forest (#5c821a)Relative luminance 0.1685

Colors that go with #587d21

Charcoal, Crimson and Copper 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 →

#46217d

#7d7421 · #2a7d21

#21587d · #7d2158

Split-complementary

Open in tool →

#212a7d · #74217d

#217d74 · #46217d · #7d212a

Contrast

#587d21 as textRatioAAAA largeAAAFix
Aaon white
4.81:1passpassfail
  • AAA: use #44611a as the text (7.07:1)
Aaon black
4.37:1failpassfail
  • AA: use #5b8122 as the text (4.61:1)
  • AAA: use #75a52c as the text (7.17:1)
  • AA: or shift the background to #fafafa (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #587d21 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #587d21
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 #587d21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/587d21-afbea2-4e5adf-222d1f-f1f0e9?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