Color

#28d0dc

#28d0dc
hex#28d0dc
rgbrgb(40, 208, 220)
hslhsl(184, 72%, 51%)
oklchoklch(0.784 0.127 202.6)
Closest name: darkturquoise (#00ced1)Relative luminance 0.5073

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dc3428

#28dc8e · #2876dc

#dc28d0 · #d0dc28

Split-complementary

Open in tool →

#dc2876 · #dc8e28

#8e28dc · #dc3428 · #76dc28

Contrast

#28d0dc as textRatioAAAA largeAAAFix
Aaon white
1.88:1failfailfail
  • AA: use #168088 as the text (4.69:1)
  • AAA: use #105f65 as the text (7.38:1)
  • AA: or shift the background to #4a4a4a (4.7:1)
  • AAA: or shift the background to #303030 (7.01:1)
Aaon black
11.15:1passpasspassPasses 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 #28d0dc as the background.

Brands using this color

Fonts for this mood

#28d0dc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28d0dc
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 #28d0dc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28d0dc-a2b9be-df4e8a-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