Color

#399d72

#399d72
hex#399d72
rgbrgb(57, 157, 114)
hslhsl(154, 47%, 42%)
oklchoklch(0.626 0.114 161.6)
Closest name: Bulma Hair (#359e6b)Relative luminance 0.262

Colors that go with #399d72

Charcoal, Crimson and Medium Violet Red 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.

Real palettes that use #399d72

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#9d3964

#399d3f · #39979d

#72399d · #9d7239

Split-complementary

Open in tool →

#9d3997 · #9d3f39

#3f399d · #9d3964 · #979d39

Contrast

#399d72 as textRatioAAAA largeAAAFix
Aaon white
3.37:1failpassfail
  • AA: use #2f835f as the text (4.63:1)
  • AAA: use #236146 as the text (7.32:1)
  • AA: or shift the background to #242424 (4.61:1)
Aaon black
6.24:1passpassfail
  • AAA: use #3da97a as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #399d72 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 #399d72
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 #399d72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/399d72-a2beb5-d459ca-1f2d2d-e9f1ea?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