Color

#13a031

#13a031
hex#13a031
rgbrgb(19, 160, 49)
hslhsl(133, 79%, 35%)
oklchoklch(0.615 0.187 145.2)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.255

Colors that go with #13a031

Charcoal, Blue and Crimson 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 →

#a01381

#3ba013 · #13a078

#3113a0 · #a03113

Split-complementary

Open in tool →

#7813a0 · #a0133b

#133ba0 · #a01381 · #a07813

Contrast

#13a031 as textRatioAAAA largeAAAFix
Aaon white
3.44:1failpassfail
  • AA: use #10892a as the text (4.53:1)
  • AAA: use #0c641f as the text (7.35:1)
  • AA: or shift the background to #242424 (4.51:1)
Aaon black
6.1:1passpassfail
  • AAA: use #14ad36 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #13a031 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 #13a031
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 #13a031 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13a031-a2beab-b84edf-1f2d28-ebf1e9?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