Color

#5bfb63

#5bfb63
hex#5bfb63
rgbrgb(91, 251, 99)
hslhsl(123, 95%, 67%)
oklchoklch(0.873 0.236 144)
Closest name: Experimintal Green (#4cff7b)Relative luminance 0.7212

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb5bf3

#a3fb5b · #5bfbb3

#635bfb · #fb635b

Split-complementary

Open in tool →

#b35bfb · #fb5ba3

#5ba3fb · #fb5bf3 · #fbb35b

Contrast

#5bfb63 as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #03860a as the text (4.75:1)
  • AAA: use #036808 as the text (7.03:1)
  • AA: or shift the background to #616161 (4.55:1)
  • AAA: or shift the background to #454545 (7.04:1)
Aaon black
15.42:1passpasspassPasses 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 #5bfb63 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 #5bfb63
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 #5bfb63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bfb63-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