Color

#2cc21e

#2cc21e
hex#2cc21e
rgbrgb(44, 194, 30)
hslhsl(115, 73%, 44%)
oklchoklch(0.71 0.227 142)
Closest name: Crude Banana (#21c40e)Relative luminance 0.3921

Colors that go with #2cc21e

Blue, Charcoal 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 →

#b41ec2

#7ec21e · #1ec263

#1e2cc2 · #c21e2c

Split-complementary

Open in tool →

#631ec2 · #c21e7e

#1e7ec2 · #b41ec2 · #c2631e

Contrast

#2cc21e as textRatioAAAA largeAAAFix
Aaon white
2.37:1failfailfail
  • AA: use #1f8915 as the text (4.52:1)
  • AAA: use #176510 as the text (7.23:1)
  • AA: or shift the background to #3d3d3d (4.57:1)
  • AAA: or shift the background to #1c1c1c (7.18:1)
Aaon black
8.84:1passpasspassPasses 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 #2cc21e 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 #2cc21e
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 #2cc21e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2cc21e-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