Color

#2cf221

#2cf221
hex#2cf221
rgbrgb(44, 242, 33)
hslhsl(117, 89%, 54%)
oklchoklch(0.837 0.273 142.3)
Closest name: Becquerel (#4bec13)Relative luminance 0.6415

Colors that go with #2cf221

Deep Sky Blue, Violet 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 →

#e821f2

#94f221 · #21f27f

#212cf2 · #f2212c

Split-complementary

Open in tool →

#7f21f2 · #f22194

#2194f2 · #e821f2 · #f27f21

Contrast

#2cf221 as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #0e8708 as the text (4.68:1)
  • AAA: use #0b6506 as the text (7.3:1)
  • AA: or shift the background to #595959 (4.61:1)
  • AAA: or shift the background to #3d3d3d (7.15:1)
Aaon black
13.83:1passpasspassPasses 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 #2cf221 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 #2cf221
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 #2cf221 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2cf221-a2bea4-924edf-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