Color

#3f7d50

#3f7d50
hex#3f7d50
rgbrgb(63, 125, 80)
hslhsl(136, 33%, 37%)
oklchoklch(0.536 0.096 150.9)
Closest name: Amazon (#387b54)Relative luminance 0.163

Colors that go with #3f7d50

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 →

#7d3f6d

#4e7d3f · #3f7d6f

#503f7d · #7d503f

Split-complementary

Open in tool →

#6f3f7d · #7d3f4e

#3f4e7d · #7d3f6d · #7d6f3f

Contrast

#3f7d50 as textRatioAAAA largeAAAFix
Aaon white
4.93:1passpassfail
  • AAA: use #32623f as the text (7.11:1)
Aaon black
4.26:1failpassfail
  • AA: use #438454 as the text (4.67:1)
  • AAA: use #54a66a as the text (7.04:1)
  • AA: or shift the background to #f5f5f5 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f7d50 as the background.

Brands using this color

mcpConnect your agent — build around #3f7d50
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 #3f7d50 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f7d50-a2bead-b959d4-1f2d29-ebf1e9?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