Color

#15efe8

#15efe8
hex#15efe8
rgbrgb(21, 239, 232)
hslhsl(178, 87%, 51%)
oklchoklch(0.861 0.146 191)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.6772

Colors that go with #15efe8

Charcoal, Deep Sky Blue 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 →

#ef151d

#15ef7b · #1589ef

#e815ef · #efe815

Split-complementary

Open in tool →

#ef1589 · #ef7b15

#7b15ef · #ef151d · #89ef15

Contrast

#15efe8 as textRatioAAAA largeAAAFix
Aaon white
1.44:1failfailfail
  • AA: use #09817d as the text (4.72:1)
  • AAA: use #075f5c as the text (7.5:1)
  • AA: or shift the background to #5c5c5c (4.63:1)
  • AAA: or shift the background to #404040 (7.18:1)
Aaon black
14.54:1passpasspassPasses 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 #15efe8 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 #15efe8
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 #15efe8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15efe8-a2bcbe-d45999-1f282d-e9f1ed?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