Color

#28c4d2

#28c4d2
hex#28c4d2
rgbrgb(40, 196, 210)
hslhsl(185, 68%, 49%)
oklchoklch(0.751 0.121 204.5)
Closest name: darkturquoise (#00ced1)Relative luminance 0.4458

Colors that go with #28c4d2

Charcoal, Blue and Dark Orange 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 →

#d23628

#28d28b · #286fd2

#d228c4 · #c4d228

Split-complementary

Open in tool →

#d2286f · #d28b28

#8b28d2 · #d23628 · #6fd228

Contrast

#28c4d2 as textRatioAAAA largeAAAFix
Aaon white
2.12:1failfailfail
  • AA: use #1a8089 as the text (4.67:1)
  • AAA: use #146067 as the text (7.24:1)
  • AA: or shift the background to #454545 (4.53:1)
  • AAA: or shift the background to #262626 (7.15:1)
Aaon black
9.92:1passpasspassPasses 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 #28c4d2 as the background.

Brands using this color

Fonts for this mood

#28c4d2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28c4d2
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 #28c4d2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28c4d2-a2b8be-df4e88-1f262d-e9f1ee?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