Color

#28e2db

#28e2db
hex#28e2db
rgbrgb(40, 226, 219)
hslhsl(178, 76%, 52%)
oklchoklch(0.827 0.137 190.7)
Closest name: turquoise (#40e0d0)Relative luminance 0.5996

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e2282e

#28e27e · #288be2

#db28e2 · #e2db28

Split-complementary

Open in tool →

#e2288b · #e27e28

#7e28e2 · #e2282e · #8be228

Contrast

#28e2db as textRatioAAAA largeAAAFix
Aaon white
1.62:1failfailfail
  • AA: use #12827e as the text (4.65:1)
  • AAA: use #0d6360 as the text (7.07:1)
  • AA: or shift the background to #545454 (4.68:1)
  • AAA: or shift the background to #383838 (7.25:1)
Aaon black
12.99:1passpasspassPasses 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 #28e2db 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 #28e2db
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 #28e2db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28e2db-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