Color

#15c641

#15c641
hex#15c641
rgbrgb(21, 198, 65)
hslhsl(135, 81%, 43%)
oklchoklch(0.721 0.218 145.6)
Closest name: Alienated (#00cc55)Relative luminance 0.4093

Colors that go with #15c641

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 →

#c6159a

#41c615 · #15c69a

#4115c6 · #c64115

Split-complementary

Open in tool →

#9a15c6 · #c61541

#1541c6 · #c6159a · #c69a15

Contrast

#15c641 as textRatioAAAA largeAAAFix
Aaon white
2.29:1failfailfail
  • AA: use #0e862c as the text (4.7:1)
  • AAA: use #0b6621 as the text (7.15:1)
  • AA: or shift the background to #404040 (4.54:1)
  • AAA: or shift the background to #212121 (7.04:1)
Aaon black
9.19:1passpasspassPasses 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 #15c641 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 #15c641
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 #15c641 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15c641-a2beac-b759d4-1f2d29-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