Color

#3c905f

#3c905f
hex#3c905f
rgbrgb(60, 144, 95)
hslhsl(145, 41%, 40%)
oklchoklch(0.588 0.111 155.1)
Closest name: Illuminati Green (#419168)Relative luminance 0.2173

Colors that go with #3c905f

Charcoal, Copper and Crimson 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 →

#903c6d

#43903c · #3c9089

#5f3c90 · #905f3c

Split-complementary

Open in tool →

#893c90 · #903c43

#3c4390 · #903c6d · #90893c

Contrast

#3c905f as textRatioAAAA largeAAAFix
Aaon white
3.93:1failpassfail
  • AA: use #388558 as the text (4.5:1)
  • AAA: use #296140 as the text (7.3:1)
  • AA: or shift the background to #171717 (4.56:1)
Aaon black
5.35:1passpassfail
  • AAA: use #47a970 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c905f 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 #3c905f
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 #3c905f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c905f-a2beb1-cc59d4-1f2d2b-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