Color

#618d3f

#618d3f
hex#618d3f
rgbrgb(97, 141, 63)
hslhsl(94, 38%, 40%)
oklchoklch(0.593 0.119 133.3)
Closest name: Hidden Paradise (#5e8b3d)Relative luminance 0.2195

Colors that go with #618d3f

Charcoal, Blue 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 →

#6b3f8d

#888d3f · #3f8d44

#3f618d · #8d3f61

Split-complementary

Open in tool →

#443f8d · #8d3f88

#3f888d · #6b3f8d · #8d443f

Contrast

#618d3f as textRatioAAAA largeAAAFix
Aaon white
3.9:1failpassfail
  • AA: use #577f39 as the text (4.67:1)
  • AAA: use #415f2b as the text (7.25:1)
  • AA: or shift the background to #171717 (4.6:1)
Aaon black
5.39:1passpassfail
  • AAA: use #72a54a as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #618d3f 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 #618d3f
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 #618d3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/618d3f-abbea2-5a4edf-1f2d1f-f0f1e9?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