Color

#3f8d25

#3f8d25
hex#3f8d25
rgbrgb(63, 141, 37)
hslhsl(105, 58%, 35%)
oklchoklch(0.573 0.158 139.1)
Closest name: Forest Green (#228b22)Relative luminance 0.2024

Colors that go with #3f8d25

Charcoal, Crimson and Royal 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 →

#73258d

#738d25 · #258d3f

#253f8d · #8d253f

Split-complementary

Open in tool →

#3f258d · #8d2573

#25738d · #73258d · #8d3f25

Contrast

#3f8d25 as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #3c8523 as the text (4.59:1)
  • AAA: use #2d651b as the text (7.03:1)
  • AA: or shift the background to #121212 (4.5:1)
Aaon black
5.05:1passpassfail
  • AAA: use #4ca92d as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f8d25 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 #3f8d25
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 #3f8d25 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f8d25-a6bea2-754edf-1f2d22-eff1e9?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