Color

#3e7971

#3e7971
hex#3e7971
rgbrgb(62, 121, 113)
hslhsl(172, 32%, 36%)
oklchoklch(0.534 0.063 184.1)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1589

Colors that go with #3e7971

Charcoal, Champagne and Cobalt Blue 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 →

#793e46

#3e7954 · #3e6479

#713e79 · #79713e

Split-complementary

Open in tool →

#793e64 · #79543e

#543e79 · #793e46 · #64793e

Contrast

#3e7971 as textRatioAAAA largeAAAFix
Aaon white
5.03:1passpassfail
  • AAA: use #315e58 as the text (7.31:1)
Aaon black
4.18:1failpassfail
  • AA: use #428078 as the text (4.59:1)
  • AAA: use #55a59a as the text (7.23:1)
  • AA: or shift the background to #f5f5f5 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e7971 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 #3e7971
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 #3e7971 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e7971-a2bebe-d459a5-1f292d-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