Color

#15bc71

#15bc71
hex#15bc71
rgbrgb(21, 188, 113)
hslhsl(153, 80%, 41%)
oklchoklch(0.701 0.166 156)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3732

Colors that go with #15bc71

Charcoal, Mustard Yellow 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 →

#bc1560

#15bc1d · #15b4bc

#7115bc · #bc7115

Split-complementary

Open in tool →

#bc15b4 · #bc1d15

#1d15bc · #bc1560 · #b4bc15

Contrast

#15bc71 as textRatioAAAA largeAAAFix
Aaon white
2.48:1failfailfail
  • AA: use #0f8550 as the text (4.68:1)
  • AAA: use #0b653d as the text (7.14:1)
  • AA: or shift the background to #3b3b3b (4.51:1)
  • AAA: or shift the background to #1a1a1a (7.01:1)
Aaon black
8.46:1passpasspassPasses 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 #15bc71 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 #15bc71
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 #15bc71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15bc71-a2beb5-d459cc-1f2d2d-e9f1ea?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