Color

#398e58

#398e58
hex#398e58
rgbrgb(57, 142, 88)
hslhsl(142, 43%, 39%)
oklchoklch(0.58 0.117 152.9)
Closest name: seagreen (#2e8b57)Relative luminance 0.2092

Colors that go with #398e58

Charcoal, Royal Blue and Copper 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 →

#8e396f

#448e39 · #398e83

#58398e · #8e5839

Split-complementary

Open in tool →

#83398e · #8e3944

#39448e · #8e396f · #8e8339

Contrast

#398e58 as textRatioAAAA largeAAAFix
Aaon white
4.05:1failpassfail
  • AA: use #348351 as the text (4.65:1)
  • AAA: use #27623d as the text (7.24:1)
  • AA: or shift the background to #141414 (4.55:1)
Aaon black
5.18:1passpassfail
  • AAA: use #43a868 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 #398e58 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 #398e58
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 #398e58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/398e58-a2beaf-c659d4-1f2d2a-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