Color

#15abbc

#15abbc
hex#15abbc
rgbrgb(21, 171, 188)
hslhsl(186, 80%, 41%)
oklchoklch(0.679 0.114 207.6)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3292

Colors that go with #15abbc

Charcoal, Tomato and Amber 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.

Real palettes that use #15abbc

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#bc2615

#15bc79 · #1558bc

#bc15ab · #abbc15

Split-complementary

Open in tool →

#bc1558 · #bc7915

#7915bc · #bc2615 · #58bc15

Contrast

#15abbc as textRatioAAAA largeAAAFix
Aaon white
2.77:1failfailfail
  • AA: use #10828e as the text (4.56:1)
  • AAA: use #0c606a as the text (7.25:1)
  • AA: or shift the background to #333333 (4.56:1)
  • AAA: or shift the background to #0d0d0d (7.02:1)
Aaon black
7.58:1passpasspassPasses 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 #15abbc as the background.

Brands using this color

Fonts for this mood

#15abbc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #15abbc
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 #15abbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15abbc-a2b8be-df4e86-1f262d-e9f1ee?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