Color

#59c40e

#59c40e
hex#59c40e
rgbrgb(89, 196, 14)
hslhsl(95, 87%, 41%)
oklchoklch(0.728 0.218 137.2)
Closest name: Frog (#58bc08)Relative luminance 0.4164

Colors that go with #59c40e

Blue, Charcoal and Royal 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 →

#780ec4

#b4c40e · #0ec41d

#0e59c4 · #c40e59

Split-complementary

Open in tool →

#1d0ec4 · #c40eb4

#0eb4c4 · #780ec4 · #c41d0e

Contrast

#59c40e as textRatioAAAA largeAAAFix
Aaon white
2.25:1failfailfail
  • AA: use #3d8609 as the text (4.55:1)
  • AAA: use #2e6407 as the text (7.14:1)
  • AA: or shift the background to #404040 (4.61:1)
  • AAA: or shift the background to #212121 (7.15:1)
Aaon black
9.33:1passpasspassPasses 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 #59c40e 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 #59c40e
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 #59c40e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59c40e-aabea2-5d4edf-1f2d20-f0f1e9?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