Color

#15efd2

#15efd2
hex#15efd2
rgbrgb(21, 239, 210)
hslhsl(172, 87%, 51%)
oklchoklch(0.854 0.153 179.6)
Closest name: Fake Jade (#13eac9)Relative luminance 0.6655

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef1532

#15ef65 · #159fef

#d215ef · #efd215

Split-complementary

Open in tool →

#ef159f · #ef6515

#6515ef · #ef1532 · #9fef15

Contrast

#15efd2 as textRatioAAAA largeAAAFix
Aaon white
1.47:1failfailfail
  • AA: use #098171 as the text (4.78:1)
  • AAA: use #076458 as the text (7.06:1)
  • AA: or shift the background to #5c5c5c (4.56:1)
  • AAA: or shift the background to #404040 (7.06:1)
Aaon black
14.31:1passpasspassPasses 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 #15efd2 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 #15efd2
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 #15efd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15efd2-a2bebe-d459a5-1f292d-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