Color

#397450

#397450
hex#397450
rgbrgb(57, 116, 80)
hslhsl(143, 34%, 34%)
oklchoklch(0.509 0.085 155.1)
Closest name: Amazon (#387b54)Relative luminance 0.1394

Colors that go with #397450

Charcoal, Medium Violet Red and 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 →

#74395e

#407439 · #39746d

#503974 · #745039

Split-complementary

Open in tool →

#6d3974 · #743940

#394074 · #74395e · #746d39

Contrast

#397450 as textRatioAAAA largeAAAFix
Aaon white
5.54:1passpassfail
Aaon black
3.79:1failpassfail
  • AA: use #408259 as the text (4.56:1)
  • AAA: use #52a773 as the text (7.13:1)
  • AA: or shift the background to #e8e8e8 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397450 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 #397450
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 #397450 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397450-a2beb0-c859d4-1f2d2b-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