Color

#398e6b

#398e6b
hex#398e6b
rgbrgb(57, 142, 107)
hslhsl(155, 43%, 39%)
oklchoklch(0.585 0.099 163.3)
Closest name: Illuminati Green (#419168)Relative luminance 0.2128

Colors that go with #398e6b

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 →

#8e395c

#398e40 · #39878e

#6b398e · #8e6b39

Split-complementary

Open in tool →

#8e3987 · #8e4039

#40398e · #8e395c · #878e39

Contrast

#398e6b as textRatioAAAA largeAAAFix
Aaon white
4:1failpassfail
  • AA: use #348362 as the text (4.6:1)
  • AAA: use #27624a as the text (7.16:1)
  • AA: or shift the background to #141414 (4.61:1)
Aaon black
5.26:1passpassfail
  • AAA: use #43a87e as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #398e6b 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 #398e6b
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 #398e6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/398e6b-a2beb6-d459c8-1f2d2d-e9f1ea?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