Color

#377b38

#377b38
hex#377b38
rgbrgb(55, 123, 56)
hslhsl(121, 38%, 35%)
oklchoklch(0.522 0.122 143.8)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1526

Colors that go with #377b38

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 →

#7b377a

#587b37 · #377b5a

#38377b · #7b3837

Split-complementary

Open in tool →

#5a377b · #7b3758

#37587b · #7b377a · #7b5a37

Contrast

#377b38 as textRatioAAAA largeAAAFix
Aaon white
5.18:1passpassfail
  • AAA: use #2c632d as the text (7.17:1)
Aaon black
4.05:1failpassfail
  • AA: use #3c863d as the text (4.67:1)
  • AAA: use #4ca94d as the text (7.09:1)
  • AA: or shift the background to #f0f0f0 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #377b38 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 #377b38
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 #377b38 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/377b38-a2bea6-9b4edf-1f2d26-edf1e9?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