Color

#398e40

#398e40
hex#398e40
rgbrgb(57, 142, 64)
hslhsl(125, 43%, 39%)
oklchoklch(0.576 0.14 144.9)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.2059

Colors that go with #398e40

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 →

#8e3987

#5c8e39 · #398e6b

#40398e · #8e4039

Split-complementary

Open in tool →

#6b398e · #8e395c

#395c8e · #8e3987 · #8e6b39

Contrast

#398e40 as textRatioAAAA largeAAAFix
Aaon white
4.1:1failpassfail
  • AA: use #34833b as the text (4.71:1)
  • AAA: use #27622c as the text (7.32:1)
  • AA: or shift the background to #121212 (4.56:1)
Aaon black
5.12:1passpassfail
  • AAA: use #44ab4d as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #398e40 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 #398e40
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 #398e40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/398e40-a2bea7-a54edf-1f2d26-ecf1e9?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