Color

#618b37

#618b37
hex#618b37
rgbrgb(97, 139, 55)
hslhsl(90, 43%, 38%)
oklchoklch(0.587 0.123 131.5)
Closest name: Hidden Paradise (#5e8b3d)Relative luminance 0.2128

Colors that go with #618b37

Charcoal, Dark Orchid 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 →

#61378b

#8b8b37 · #378b37

#37618b · #8b3761

Split-complementary

Open in tool →

#37378b · #8b378b

#378b8b · #61378b · #8b3737

Contrast

#618b37 as textRatioAAAA largeAAAFix
Aaon white
4:1failpassfail
  • AA: use #598033 as the text (4.61:1)
  • AAA: use #425f26 as the text (7.25:1)
  • AA: or shift the background to #141414 (4.61:1)
Aaon black
5.26:1passpassfail
  • AAA: use #73a441 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #618b37 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 #618b37
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 #618b37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/618b37-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