Color

#31a42d

#31a42d
hex#31a42d
rgbrgb(49, 164, 45)
hslhsl(118, 57%, 41%)
oklchoklch(0.632 0.186 142.6)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2739

Colors that go with #31a42d

Blue, Dodger Blue 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 →

#a02da4

#6da42d · #2da465

#2d31a4 · #a42d31

Split-complementary

Open in tool →

#652da4 · #a42d6d

#2d6da4 · #a02da4 · #a4652d

Contrast

#31a42d as textRatioAAAA largeAAAFix
Aaon white
3.24:1failpassfail
  • AA: use #298825 as the text (4.52:1)
  • AAA: use #1e641b as the text (7.26:1)
  • AA: or shift the background to #262626 (4.67:1)
Aaon black
6.48:1passpassfail
  • AAA: use #33ac2f as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31a42d 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 #31a42d
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 #31a42d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31a42d-a2bea4-944edf-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