Color

#15cb2b

#15cb2b
hex#15cb2b
rgbrgb(21, 203, 43)
hslhsl(127, 81%, 44%)
oklchoklch(0.732 0.235 143.6)
Closest name: Lime Green (#32cd32)Relative luminance 0.4305

Colors that go with #15cb2b

Blue, Charcoal 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 →

#cb15b6

#5bcb15 · #15cb85

#2b15cb · #cb2b15

Split-complementary

Open in tool →

#8515cb · #cb155b

#155bcb · #cb15b6 · #cb8515

Contrast

#15cb2b as textRatioAAAA largeAAAFix
Aaon white
2.19:1failfailfail
  • AA: use #0e861c as the text (4.72:1)
  • AAA: use #0b6615 as the text (7.18:1)
  • AA: or shift the background to #424242 (4.6:1)
  • AAA: or shift the background to #242424 (7.1:1)
Aaon black
9.61:1passpasspassPasses 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 #15cb2b 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 #15cb2b
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 #15cb2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15cb2b-a2bea8-aa4edf-1f2d27-ecf1e9?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