Color

#3f993d

#3f993d
hex#3f993d
rgbrgb(63, 153, 61)
hslhsl(119, 43%, 42%)
oklchoklch(0.608 0.155 143)
Closest name: Green Revolution (#009944)Relative luminance 0.2418

Colors that go with #3f993d

Charcoal, Royal Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#983d99

#6d993d · #3d996a

#3d3f99 · #993d3f

Split-complementary

Open in tool →

#6a3d99 · #993d6d

#3d6d99 · #983d99 · #996a3d

Contrast

#3f993d as textRatioAAAA largeAAAFix
Aaon white
3.6:1failpassfail
  • AA: use #368334 as the text (4.72:1)
  • AAA: use #286227 as the text (7.33:1)
  • AA: or shift the background to #1f1f1f (4.58:1)
Aaon black
5.84:1passpassfail
  • AAA: use #46ab44 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f993d 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 #3f993d
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 #3f993d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f993d-a2bea5-964edf-1f2d25-edf1e9?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