Color

#3f976e

#3f976e
hex#3f976e
rgbrgb(63, 151, 110)
hslhsl(152, 41%, 42%)
oklchoklch(0.611 0.106 160.5)
Closest name: Illuminati Green (#419168)Relative luminance 0.2432

Colors that go with #3f976e

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.

Real palettes that use #3f976e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#973f68

#3f9742 · #3f9497

#6e3f97 · #976e3f

Split-complementary

Open in tool →

#973f94 · #97423f

#423f97 · #973f68 · #94973f

Contrast

#3f976e as textRatioAAAA largeAAAFix
Aaon white
3.58:1failpassfail
  • AA: use #36815e as the text (4.71:1)
  • AAA: use #296147 as the text (7.25:1)
  • AA: or shift the background to #1f1f1f (4.6:1)
Aaon black
5.86:1passpassfail
  • AAA: use #47a97b as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f976e 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 #3f976e
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 #3f976e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f976e-a2beb4-d459ce-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