Color

#3fa130

#3fa130
hex#3fa130
rgbrgb(63, 161, 48)
hslhsl(112, 54%, 41%)
oklchoklch(0.628 0.176 141.2)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2676

Colors that go with #3fa130

Charcoal, Blue 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 →

#9230a1

#78a130 · #30a159

#303fa1 · #a1303f

Split-complementary

Open in tool →

#5930a1 · #a13078

#3078a1 · #9230a1 · #a15930

Contrast

#3fa130 as textRatioAAAA largeAAAFix
Aaon white
3.31:1failpassfail
  • AA: use #348628 as the text (4.58:1)
  • AAA: use #27621d as the text (7.37:1)
  • AA: or shift the background to #262626 (4.58:1)
Aaon black
6.35:1passpassfail
  • AAA: use #44ad34 as the text (7.27:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3fa130 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 #3fa130
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 #3fa130 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fa130-a2bea2-864edf-1f2d23-eef1e9?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