Color

#3fe925

#3fe925
hex#3fe925
rgbrgb(63, 233, 37)
hslhsl(112, 82%, 53%)
oklchoklch(0.817 0.259 141.5)
Closest name: Becquerel (#4bec13)Relative luminance 0.5947

Colors that go with #3fe925

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 →

#cf25e9

#a1e925 · #25e96d

#253fe9 · #e9253f

Split-complementary

Open in tool →

#6d25e9 · #e925a1

#25a1e9 · #cf25e9 · #e96d25

Contrast

#3fe925 as textRatioAAAA largeAAAFix
Aaon white
1.63:1failfailfail
  • AA: use #1d870d as the text (4.64:1)
  • AAA: use #16660a as the text (7.15:1)
  • AA: or shift the background to #545454 (4.65:1)
  • AAA: or shift the background to #383838 (7.2:1)
Aaon black
12.89:1passpasspassPasses 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 #3fe925 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 #3fe925
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 #3fe925 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fe925-a2bea2-864edf-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