Color

#3bd520

#3bd520
hex#3bd520
rgbrgb(59, 213, 32)
hslhsl(111, 74%, 48%)
oklchoklch(0.764 0.242 141.3)
Closest name: Candy Green (#33cc00)Relative luminance 0.4862

Colors that go with #3bd520

Royal 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 →

#ba20d5

#96d520 · #20d55f

#203bd5 · #d5203b

Split-complementary

Open in tool →

#5f20d5 · #d52096

#2096d5 · #ba20d5 · #d55f20

Contrast

#3bd520 as textRatioAAAA largeAAAFix
Aaon white
1.96:1failfailfail
  • AA: use #258514 as the text (4.73:1)
  • AAA: use #1c660f as the text (7.1:1)
  • AA: or shift the background to #4a4a4a (4.53:1)
  • AAA: or shift the background to #2b2b2b (7.23:1)
Aaon black
10.72:1passpasspassPasses 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 #3bd520 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 #3bd520
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 #3bd520 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bd520-a3bea2-834edf-1f2d23-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