Color

#1bf81f

#1bf81f
hex#1bf81f
rgbrgb(27, 248, 31)
hslhsl(121, 94%, 54%)
oklchoklch(0.85 0.282 142.7)
Closest name: Cyber Neon Green (#00ff26)Relative luminance 0.6747

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f81bf4

#86f81b · #1bf88d

#1f1bf8 · #f81f1b

Split-complementary

Open in tool →

#8d1bf8 · #f81b86

#1b86f8 · #f81bf4 · #f88d1b

Contrast

#1bf81f as textRatioAAAA largeAAAFix
Aaon white
1.45:1failfailfail
  • AA: use #048606 as the text (4.75:1)
  • AAA: use #036805 as the text (7.03:1)
  • AA: or shift the background to #5c5c5c (4.62:1)
  • AAA: or shift the background to #404040 (7.16:1)
Aaon black
14.49:1passpasspassPasses 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 #1bf81f 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 #1bf81f
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 #1bf81f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bf81f-a2bea6-9b4edf-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