Color

#28ebb1

#28ebb1
hex#28ebb1
rgbrgb(40, 235, 177)
hslhsl(162, 83%, 54%)
oklchoklch(0.837 0.166 166.3)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.6304

Colors that go with #28ebb1

Taupe, Hot Pink and Charcoal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb2863

#28eb4f · #28c4eb

#b128eb · #ebb128

Split-complementary

Open in tool →

#eb28c4 · #eb4f28

#4f28eb · #eb2863 · #c4eb28

Contrast

#28ebb1 as textRatioAAAA largeAAAFix
Aaon white
1.54:1failfailfail
  • AA: use #0d8763 as the text (4.5:1)
  • AAA: use #096247 as the text (7.37:1)
  • AA: or shift the background to #595959 (4.54:1)
  • AAA: or shift the background to #3d3d3d (7.04:1)
Aaon black
13.61:1passpasspassPasses 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 #28ebb1 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 #28ebb1
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #28ebb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28ebb1-a2beb9-d459b9-1f2b2d-e9f1eb?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