Color

#3f9014

#3f9014
hex#3f9014
rgbrgb(63, 144, 20)
hslhsl(99, 76%, 32%)
oklchoklch(0.58 0.17 137.9)
Closest name: Forest Green (#228b22)Relative luminance 0.2105

Colors that go with #3f9014

Crimson, Royal Blue and Charcoal 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 →

#641490

#7d9014 · #149026

#143f90 · #90143f

Split-complementary

Open in tool →

#261490 · #90147d

#147d90 · #641490 · #902614

Contrast

#3f9014 as textRatioAAAA largeAAAFix
Aaon white
4.03:1failpassfail
  • AA: use #3b8712 as the text (4.51:1)
  • AAA: use #2b630d as the text (7.26:1)
  • AA: or shift the background to #141414 (4.57:1)
Aaon black
5.21:1passpassfail
  • AAA: use #4bab17 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f9014 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 #3f9014
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 #3f9014 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f9014-a8bea2-664edf-1f2d21-f0f1e9?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