Color

#5bf655

#5bf655
hex#5bf655
rgbrgb(91, 246, 85)
hslhsl(118, 90%, 65%)
oklchoklch(0.86 0.24 142.6)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6879

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f155f6

#abf655 · #55f6a0

#555bf6 · #f6555b

Split-complementary

Open in tool →

#a055f6 · #f655ab

#55abf6 · #f155f6 · #f6a055

Contrast

#5bf655 as textRatioAAAA largeAAAFix
Aaon white
1.42:1failfailfail
  • AA: use #0b8807 as the text (4.63:1)
  • AAA: use #096605 as the text (7.21:1)
  • AA: or shift the background to #5e5e5e (4.56:1)
  • AAA: or shift the background to #424242 (7.06:1)
Aaon black
14.76:1passpasspassPasses 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 #5bf655 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 #5bf655
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 #5bf655 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bf655-a2bea4-944edf-1f2d25-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