Color

#28dcd0

#28dcd0
hex#28dcd0
rgbrgb(40, 220, 208)
hslhsl(176, 72%, 51%)
oklchoklch(0.809 0.135 187.6)
Closest name: turquoise (#40e0d0)Relative luminance 0.5619

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dc2834

#28dc76 · #288edc

#d028dc · #dcd028

Split-complementary

Open in tool →

#dc288e · #dc7628

#7628dc · #dc2834 · #8edc28

Contrast

#28dcd0 as textRatioAAAA largeAAAFix
Aaon white
1.72:1failfailfail
  • AA: use #15847c as the text (4.54:1)
  • AAA: use #10605b as the text (7.38:1)
  • AA: or shift the background to #525252 (4.55:1)
  • AAA: or shift the background to #363636 (7.04:1)
Aaon black
12.24:1passpasspassPasses 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 #28dcd0 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 #28dcd0
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 #28dcd0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28dcd0-a2bdbe-d4599d-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