Color

#399348

#399348
hex#399348
rgbrgb(57, 147, 72)
hslhsl(130, 44%, 40%)
oklchoklch(0.591 0.14 146.7)
Closest name: Fern (#548d44)Relative luminance 0.2221

Colors that go with #399348

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 →

#933984

#579339 · #399375

#483993 · #934839

Split-complementary

Open in tool →

#753993 · #933957

#395793 · #933984 · #937539

Contrast

#399348 as textRatioAAAA largeAAAFix
Aaon white
3.86:1failpassfail
  • AA: use #338441 as the text (4.65:1)
  • AAA: use #276331 as the text (7.2:1)
  • AA: or shift the background to #1a1a1a (4.51:1)
Aaon black
5.44:1passpassfail
  • AAA: use #42a953 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #399348 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 #399348
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 #399348 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/399348-a2beaa-b14edf-1f2d28-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