Color

#377e30

#377e30
hex#377e30
rgbrgb(55, 126, 48)
hslhsl(115, 45%, 34%)
oklchoklch(0.529 0.134 141.9)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1595

Colors that go with #377e30

Charcoal, Royal Blue and Dark Orchid 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 →

#77307e

#5d7e30 · #307e50

#30367e · #7e3036

Split-complementary

Open in tool →

#50307e · #7e305d

#305d7e · #77307e · #7e5030

Contrast

#377e30 as textRatioAAAA largeAAAFix
Aaon white
5.01:1passpassfail
  • AAA: use #2b6426 as the text (7.11:1)
Aaon black
4.19:1failpassfail
  • AA: use #398532 as the text (4.58:1)
  • AAA: use #49aa41 as the text (7.11:1)
  • AA: or shift the background to #f5f5f5 (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 #377e30 as the background.

Brands using this color

mcpConnect your agent — build around #377e30
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 #377e30 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/377e30-a2bea3-8d4edf-1f2d24-eef1e9?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