Color

#25ef2f

#25ef2f
hex#25ef2f
rgbrgb(37, 239, 47)
hslhsl(123, 86%, 54%)
oklchoklch(0.829 0.267 143.1)
Closest name: Becquerel (#4bec13)Relative luminance 0.6233

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#ef25e4

#80ef25 · #25ef94

#2f25ef · #ef2f25

Split-complementary

Open in tool →

#9425ef · #ef2580

#2580ef · #ef25e4 · #ef9425

Contrast

#25ef2f as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #0a8a11 as the text (4.51:1)
  • AAA: use #08680d as the text (7.01:1)
  • AA: or shift the background to #575757 (4.63:1)
  • AAA: or shift the background to #3b3b3b (7.18:1)
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 #25ef2f 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 #25ef2f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #25ef2f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25ef2f-a2bea6-a04edf-1f2d26-edf1e9?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