Color

#398977

#398977
hex#398977
rgbrgb(57, 137, 119)
hslhsl(167, 41%, 38%)
oklchoklch(0.575 0.083 176)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.2009

Colors that go with #398977

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.

Real palettes that use #398977

Tints & shades

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

Harmonies

Complementary

Open in tool →

#89394a

#398950 · #397289

#773989 · #897739

Split-complementary

Open in tool →

#893972 · #895039

#503989 · #89394a · #728939

Contrast

#398977 as textRatioAAAA largeAAAFix
Aaon white
4.18:1failpassfail
  • AA: use #368171 as the text (4.63:1)
  • AAA: use #296155 as the text (7.15:1)
  • AA: or shift the background to #0f0f0f (4.58:1)
Aaon black
5.02:1passpassfail
  • AAA: use #45a591 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #398977 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 #398977
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 #398977 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/398977-a2bebb-d459af-1f2a2d-e9f1ec?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