Color

#31a201

#31a201
hex#31a201
rgbrgb(49, 162, 1)
hslhsl(102, 99%, 32%)
oklchoklch(0.624 0.2 140)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.265

Colors that go with #31a201

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 →

#7201a2

#82a201 · #01a221

#0131a2 · #a20131

Split-complementary

Open in tool →

#2101a2 · #a20182

#0182a2 · #7201a2 · #a22101

Contrast

#31a201 as textRatioAAAA largeAAAFix
Aaon white
3.33:1failpassfail
  • AA: use #288401 as the text (4.78:1)
  • AAA: use #1f6501 as the text (7.19:1)
  • AA: or shift the background to #262626 (4.54:1)
Aaon black
6.3:1passpassfail
  • AAA: use #34ad01 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31a201 as the background.

Brands using this color

mcpConnect your agent — build around #31a201
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 #31a201 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31a201-a7bea2-6e4edf-1f2d21-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