Color

#28e2bc

#28e2bc
hex#28e2bc
rgbrgb(40, 226, 188)
hslhsl(168, 76%, 52%)
oklchoklch(0.817 0.149 174)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.5847

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e2284d

#28e25f · #28aae2

#bc28e2 · #e2bc28

Split-complementary

Open in tool →

#e228aa · #e25f28

#5f28e2 · #e2284d · #aae228

Contrast

#28e2bc as textRatioAAAA largeAAAFix
Aaon white
1.65:1failfailfail
  • AA: use #12826c as the text (4.73:1)
  • AAA: use #0d6352 as the text (7.18:1)
  • AA: or shift the background to #545454 (4.58:1)
  • AAA: or shift the background to #383838 (7.09:1)
Aaon black
12.69:1passpasspassPasses 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 #28e2bc 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 #28e2bc
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 #28e2bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28e2bc-a2bebc-d459ad-1f2a2d-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