Color

#398e80

#398e80
hex#398e80
rgbrgb(57, 142, 128)
hslhsl(170, 43%, 39%)
oklchoklch(0.591 0.085 180.7)
Closest name: Highlands (#449084)Relative luminance 0.2177

Colors that go with #398e80

Charcoal, Copper 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 #398e80

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e3947

#398e55 · #39728e

#80398e · #8e8039

Split-complementary

Open in tool →

#8e3972 · #8e5539

#55398e · #8e3947 · #728e39

Contrast

#398e80 as textRatioAAAA largeAAAFix
Aaon white
3.92:1failpassfail
  • AA: use #348376 as the text (4.51:1)
  • AAA: use #276259 as the text (7.05:1)
  • AA: or shift the background to #171717 (4.57:1)
Aaon black
5.35:1passpassfail
  • AAA: use #43a897 as the text (7.29:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #398e80 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 #398e80
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 #398e80 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/398e80-a2bebd-d459a9-1f292d-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