Color

#398971

#398971
hex#398971
rgbrgb(57, 137, 113)
hslhsl(162, 41%, 38%)
oklchoklch(0.573 0.087 170.6)
Closest name: Elf (#1b8a6b)Relative luminance 0.1995

Colors that go with #398971

Charcoal, Copper and Crimson 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 →

#893951

#398949 · #397989

#713989 · #897139

Split-complementary

Open in tool →

#893979 · #894939

#493989 · #893951 · #798939

Contrast

#398971 as textRatioAAAA largeAAAFix
Aaon white
4.21:1failpassfail
  • AA: use #36816b as the text (4.66:1)
  • AAA: use #296150 as the text (7.19:1)
  • AA: or shift the background to #0f0f0f (4.56:1)
Aaon black
4.99:1passpassfail
  • AAA: use #47a98c as the text (7.32:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #398971 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 #398971
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 #398971 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/398971-a2beb9-d459b9-1f2b2d-e9f1eb?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