Color

#66eb24

#66eb24
hex#66eb24
rgbrgb(102, 235, 36)
hslhsl(100, 83%, 53%)
oklchoklch(0.832 0.248 138.3)
Closest name: Becquerel (#4bec13)Relative luminance 0.6237

Colors that go with #66eb24

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 →

#a824eb

#c9eb24 · #24eb45

#2466eb · #eb2466

Split-complementary

Open in tool →

#4524eb · #eb24c9

#24c9eb · #a824eb · #eb4524

Contrast

#66eb24 as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #35870d as the text (4.54:1)
  • AAA: use #276209 as the text (7.4:1)
  • AA: or shift the background to #575757 (4.64:1)
  • AAA: or shift the background to #3b3b3b (7.19:1)
Aaon black
13.47:1passpasspassPasses 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 #66eb24 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 #66eb24
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 #66eb24 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66eb24-a8bea2-694edf-1f2d21-f0f1e9?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