Color

#15b293

#15b293
hex#15b293
rgbrgb(21, 178, 147)
hslhsl(168, 79%, 39%)
oklchoklch(0.683 0.127 173.9)
Closest name: Hobgoblin (#01ad8f)Relative luminance 0.3411

Colors that go with #15b293

Charcoal, Hot Pink and 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 →

#b21534

#15b244 · #1583b2

#9315b2 · #b29315

Split-complementary

Open in tool →

#b21583 · #b24415

#4415b2 · #b21534 · #83b215

Contrast

#15b293 as textRatioAAAA largeAAAFix
Aaon white
2.68:1failfailfail
  • AA: use #10846d as the text (4.62:1)
  • AAA: use #0c6453 as the text (7.09:1)
  • AA: or shift the background to #363636 (4.5:1)
  • AAA: or shift the background to #0f0f0f (7.14:1)
Aaon black
7.82:1passpasspassPasses 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 #15b293 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 #15b293
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 #15b293 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15b293-a2bebc-d459ad-1f2a2d-e9f1ec?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