Color

#397954

#397954
hex#397954
rgbrgb(57, 121, 84)
hslhsl(145, 36%, 35%)
oklchoklch(0.523 0.089 156.1)
Closest name: Amazon (#387b54)Relative luminance 0.1518

Colors that go with #397954

Charcoal, Medium Violet Red and Champagne 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 →

#79395f

#3e7939 · #397974

#543979 · #795439

Split-complementary

Open in tool →

#743979 · #79393e

#393e79 · #79395f · #797439

Contrast

#397954 as textRatioAAAA largeAAAFix
Aaon white
5.2:1passpassfail
  • AAA: use #2e6143 as the text (7.22:1)
Aaon black
4.04:1failpassfail
  • AA: use #3e845b as the text (4.66:1)
  • AAA: use #4ea673 as the text (7.03:1)
  • 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 #397954 as the background.

Brands using this color

mcpConnect your agent — build around #397954
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 #397954 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397954-a2beb1-cc59d4-1f2d2b-eaf1e9?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