Color

#2cb21f

#2cb21f
hex#2cb21f
rgbrgb(44, 178, 31)
hslhsl(115, 70%, 41%)
oklchoklch(0.667 0.211 141.9)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.3248

Colors that go with #2cb21f

Royal Blue, Taupe and Fuchsia 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 →

#a61fb2

#75b21f · #1fb25c

#1f2cb2 · #b21f2c

Split-complementary

Open in tool →

#5c1fb2 · #b21f75

#1f75b2 · #a61fb2 · #b25c1f

Contrast

#2cb21f as textRatioAAAA largeAAAFix
Aaon white
2.8:1failfailfail
  • AA: use #218618 as the text (4.68:1)
  • AAA: use #186412 as the text (7.32:1)
  • AA: or shift the background to #333333 (4.51:1)
  • AAA: or shift the background to #0a0a0a (7.07:1)
Aaon black
7.5:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2cb21f 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 #2cb21f
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 #2cb21f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2cb21f-a2bea3-8d4edf-1f2d24-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