Color

#59bd1f

#59bd1f
hex#59bd1f
rgbrgb(89, 189, 31)
hslhsl(98, 72%, 43%)
oklchoklch(0.71 0.206 137.4)
Closest name: Frog (#58bc08)Relative luminance 0.3862

Colors that go with #59bd1f

Charcoal, Royal Blue and Taupe 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 →

#831fbd

#a8bd1f · #1fbd34

#1f59bd · #bd1f59

Split-complementary

Open in tool →

#341fbd · #bd1fa8

#1fa8bd · #831fbd · #bd341f

Contrast

#59bd1f as textRatioAAAA largeAAAFix
Aaon white
2.41:1failfailfail
  • AA: use #3e8415 as the text (4.65:1)
  • AAA: use #2f6510 as the text (7.02:1)
  • AA: or shift the background to #3d3d3d (4.51:1)
  • AAA: or shift the background to #1c1c1c (7.08:1)
Aaon black
8.72:1passpasspassPasses 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 #59bd1f 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 #59bd1f
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 #59bd1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59bd1f-a9bea2-644edf-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