Color

#3ceb28

#3ceb28
hex#3ceb28
rgbrgb(60, 235, 40)
hslhsl(114, 83%, 54%)
oklchoklch(0.821 0.261 141.8)
Closest name: Becquerel (#4bec13)Relative luminance 0.6053

Colors that go with #3ceb28

Deep Sky Blue, Taupe and Violet 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 →

#d828eb

#9deb28 · #28eb76

#283ceb · #eb283c

Split-complementary

Open in tool →

#7628eb · #eb289d

#289deb · #d828eb · #eb7628

Contrast

#3ceb28 as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #19870d as the text (4.65:1)
  • AAA: use #13670a as the text (7.07:1)
  • AA: or shift the background to #575757 (4.51:1)
  • AAA: or shift the background to #383838 (7.32:1)
Aaon black
13.11:1passpasspassPasses 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 #3ceb28 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 #3ceb28
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 #3ceb28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ceb28-a2bea2-8a4edf-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