Color

#387d21

#387d21
hex#387d21
rgbrgb(56, 125, 33)
hslhsl(105, 58%, 31%)
oklchoklch(0.525 0.143 139.1)
Closest name: Broccoli Paradise (#008833)Relative luminance 0.1562

Colors that go with #387d21

Charcoal, Crimson and Royal 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 →

#66217d

#667d21 · #217d38

#21387d · #7d2138

Split-complementary

Open in tool →

#38217d · #7d2166

#21667d · #66217d · #7d3821

Contrast

#387d21 as textRatioAAAA largeAAAFix
Aaon white
5.09:1passpassfail
  • AAA: use #2d651b as the text (7.03:1)
Aaon black
4.12:1failpassfail
  • AA: use #3c8523 as the text (4.57:1)
  • AAA: use #4ca92d as the text (7.02:1)
  • AA: or shift the background to #f2f2f2 (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 #387d21 as the background.

Brands using this color

mcpConnect your agent — build around #387d21
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 #387d21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/387d21-a6bea2-754edf-1f2d22-eff1e9?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