Color

#3f786d

#3f786d
hex#3f786d
rgbrgb(63, 120, 109)
hslhsl(168, 31%, 36%)
oklchoklch(0.53 0.063 179.8)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1559

Tints & shades

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

Harmonies

Complementary

Open in tool →

#783f4b

#3f7850 · #3f6778

#6d3f78 · #786d3f

Split-complementary

Open in tool →

#783f67 · #78503f

#503f78 · #783f4b · #67783f

Contrast

#3f786d as textRatioAAAA largeAAAFix
Aaon white
5.1:1passpassfail
  • AAA: use #336158 as the text (7.02:1)
Aaon black
4.12:1failpassfail
  • AA: use #437f73 as the text (4.52:1)
  • AAA: use #56a494 as the text (7.13:1)
  • AA: or shift the background to #f2f2f2 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f786d 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 #3f786d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3f786d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f786d-a2bebc-d459ad-1f2a2d-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