Color

#c2fd21

#c2fd21
hex#c2fd21
rgbrgb(194, 253, 33)
hslhsl(76, 98%, 56%)
oklchoklch(0.92 0.226 125.2)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.8183

Colors that go with #c2fd21

Plum, Violet and Charcoal 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 →

#5b21fd

#fdc921 · #54fd21

#21c2fd · #fd21c2

Split-complementary

Open in tool →

#2154fd · #c921fd

#21fdc9 · #5b21fd · #fd2154

Contrast

#c2fd21 as textRatioAAAA largeAAAFix
Aaon white
1.21:1failfailfail
  • AA: use #5d7e01 as the text (4.72:1)
  • AAA: use #476001 as the text (7.14:1)
  • AA: or shift the background to #696969 (4.54:1)
  • AAA: or shift the background to #4a4a4a (7.33:1)
Aaon black
17.37:1passpasspassPasses 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 #c2fd21 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #c2fd21
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 #c2fd21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c2fd21-b3bea2-4e6edf-232d1f-f1efe9?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