Color

#15efeb

#15efeb
hex#15efeb
rgbrgb(21, 239, 235)
hslhsl(179, 87%, 51%)
oklchoklch(0.862 0.146 192.6)
Closest name: Frozen Boubble (#00eedd)Relative luminance 0.6789

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef1519

#15ef7e · #1586ef

#eb15ef · #efeb15

Split-complementary

Open in tool →

#ef1586 · #ef7e15

#7e15ef · #ef1519 · #86ef15

Contrast

#15efeb as textRatioAAAA largeAAAFix
Aaon white
1.44:1failfailfail
  • AA: use #09817f as the text (4.71:1)
  • AAA: use #075f5e as the text (7.48:1)
  • AA: or shift the background to #5e5e5e (4.5:1)
  • AAA: or shift the background to #404040 (7.2:1)
Aaon black
14.58:1passpasspassPasses 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 #15efeb 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 #15efeb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #15efeb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15efeb-a2bbbe-d45996-1f272d-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