Color

#1bf367

#1bf367
hex#1bf367
rgbrgb(27, 243, 103)
hslhsl(141, 90%, 53%)
oklchoklch(0.843 0.239 148)
Closest name: springgreen (#00ff7f)Relative luminance 0.6531

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f31ba8

#3cf31b · #1bf3d3

#671bf3 · #f3671b

Split-complementary

Open in tool →

#d31bf3 · #f31b3c

#1b3cf3 · #f31ba8 · #f3d31b

Contrast

#1bf367 as textRatioAAAA largeAAAFix
Aaon white
1.49:1failfailfail
  • AA: use #078834 as the text (4.58:1)
  • AAA: use #056627 as the text (7.15:1)
  • AA: or shift the background to #595959 (4.69:1)
  • AAA: or shift the background to #3d3d3d (7.27:1)
Aaon black
14.06:1passpasspassPasses 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 #1bf367 as the background.

Brands using this color

mcpConnect your agent — build around #1bf367
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 #1bf367 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bf367-a2beaf-c459d4-1f2d2a-eaf1e9?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