Color

#2fa21a

#2fa21a
hex#2fa21a
rgbrgb(47, 162, 26)
hslhsl(111, 72%, 37%)
oklchoklch(0.624 0.195 141.2)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2652

Colors that go with #2fa21a

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 →

#8e1aa2

#73a21a · #1aa24a

#1a2fa2 · #a21a2f

Split-complementary

Open in tool →

#4a1aa2 · #a21a73

#1a73a2 · #8e1aa2 · #a24a1a

Contrast

#2fa21a as textRatioAAAA largeAAAFix
Aaon white
3.33:1failpassfail
  • AA: use #278816 as the text (4.55:1)
  • AAA: use #1d6510 as the text (7.19:1)
  • AA: or shift the background to #262626 (4.54:1)
Aaon black
6.3:1passpassfail
  • AAA: use #33af1d as the text (7.29:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2fa21a as the background.

Brands using this color

mcpConnect your agent — build around #2fa21a
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 #2fa21a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2fa21a-a3bea2-834edf-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