Color

#387b2d

#387b2d
hex#387b2d
rgbrgb(56, 123, 45)
hslhsl(112, 46%, 33%)
oklchoklch(0.521 0.131 141)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.152

Colors that go with #387b2d

Charcoal, Royal Blue 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 →

#712d7b

#5e7b2d · #2d7b4a

#2d387b · #7b2d38

Split-complementary

Open in tool →

#4a2d7b · #7b2d5e

#2d5e7b · #712d7b · #7b4a2d

Contrast

#387b2d as textRatioAAAA largeAAAFix
Aaon white
5.2:1passpassfail
  • AAA: use #2c6124 as the text (7.39:1)
Aaon black
4.04:1failpassfail
  • AA: use #3d8632 as the text (4.65:1)
  • AAA: use #4eab3f as the text (7.22:1)
  • AA: or shift the background to #f0f0f0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #387b2d as the background.

Brands using this color

mcpConnect your agent — build around #387b2d
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 #387b2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/387b2d-a2bea2-864edf-1f2d23-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