Color

#28aebd

#28aebd
hex#28aebd
rgbrgb(40, 174, 189)
hslhsl(186, 65%, 45%)
oklchoklch(0.689 0.11 206.5)
Closest name: Aquarius (#2db0ce)Relative luminance 0.344

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd3728

#28bd82 · #2864bd

#bd28ae · #aebd28

Split-complementary

Open in tool →

#bd2864 · #bd8228

#8228bd · #bd3728 · #64bd28

Contrast

#28aebd as textRatioAAAA largeAAAFix
Aaon white
2.67:1failfailfail
  • AA: use #1d808b as the text (4.65:1)
  • AAA: use #166169 as the text (7.12:1)
  • AA: or shift the background to #363636 (4.53:1)
  • AAA: or shift the background to #121212 (7.03:1)
Aaon black
7.88:1passpasspassPasses 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 #28aebd as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

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

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

tool url/palettes/new/28aebd-a2b8be-df4e86-1f262d-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