Color

#59fc59

#59fc59
hex#59fc59
rgbrgb(89, 252, 89)
hslhsl(120, 96%, 67%)
oklchoklch(0.874 0.245 143.1)
Closest name: Cathode Green (#00ff55)Relative luminance 0.7247

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fc5afc

#abfc5a · #5afcab

#5a5afc · #fc5a5a

Split-complementary

Open in tool →

#ab5afc · #fc5aab

#5aabfc · #fc5afc · #fcab5a

Contrast

#59fc59 as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #038703 as the text (4.7:1)
  • AAA: use #026402 as the text (7.43:1)
  • AA: or shift the background to #616161 (4.57:1)
  • AAA: or shift the background to #454545 (7.07:1)
Aaon black
15.49:1passpasspassPasses 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 #59fc59 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 #59fc59
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 #59fc59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59fc59-a2bea5-994edf-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