Color

#3f7d63

#3f7d63
hex#3f7d63
rgbrgb(63, 125, 99)
hslhsl(155, 33%, 37%)
oklchoklch(0.54 0.077 164.4)
Closest name: Amazon (#387b54)Relative luminance 0.1662

Colors that go with #3f7d63

Charcoal, Medium Violet Red and 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 →

#7d3f59

#3f7d44 · #3f787d

#643f7d · #7d643f

Split-complementary

Open in tool →

#7d3f78 · #7d443f

#443f7d · #7d3f59 · #787d3f

Contrast

#3f7d63 as textRatioAAAA largeAAAFix
Aaon white
4.86:1passpassfail
  • AAA: use #32624e as the text (7.02:1)
Aaon black
4.32:1failpassfail
  • AA: use #418166 as the text (4.56:1)
  • AAA: use #54a684 as the text (7.16:1)
  • AA: or shift the background to #f7f7f7 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f7d63 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 #3f7d63
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 #3f7d63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f7d63-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