Color

#3f885a

#3f885a
hex#3f885a
rgbrgb(63, 136, 90)
hslhsl(142, 37%, 39%)
oklchoklch(0.567 0.103 153.9)
Closest name: seagreen (#2e8b57)Relative luminance 0.194

Colors that go with #3f885a

Charcoal, Royal Blue and Medium Violet Red 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 →

#883f6d

#48883f · #3f887e

#5a3f88 · #885a3f

Split-complementary

Open in tool →

#7e3f88 · #883f48

#3f4888 · #883f6d · #887e3f

Contrast

#3f885a as textRatioAAAA largeAAAFix
Aaon white
4.3:1failpassfail
  • AA: use #3b8155 as the text (4.71:1)
  • AAA: use #2d6240 as the text (7.16:1)
  • AA: or shift the background to #0d0d0d (4.52:1)
Aaon black
4.88:1passpassfail
  • AAA: use #4da86e 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 #3f885a as the background.

Brands using this color

mcpConnect your agent — build around #3f885a
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 #3f885a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f885a-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