Color

#59f759

#59f759
hex#59f759
rgbrgb(89, 247, 89)
hslhsl(120, 91%, 66%)
oklchoklch(0.862 0.239 143.1)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6937

Colors that go with #59f759

Violet, Charcoal and Deep Sky Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f759f7

#a8f759 · #59f7a8

#5959f7 · #f75959

Split-complementary

Open in tool →

#a859f7 · #f759a8

#59a8f7 · #f759f7 · #f7a859

Contrast

#59f759 as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #068806 as the text (4.63:1)
  • AAA: use #056605 as the text (7.22:1)
  • AA: or shift the background to #5e5e5e (4.59:1)
  • AAA: or shift the background to #424242 (7.12:1)
Aaon black
14.87:1passpasspassPasses 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 #59f759 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 #59f759
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #59f759 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59f759-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