Color

#28edfb

#28edfb
hex#28edfb
rgbrgb(40, 237, 251)
hslhsl(184, 96%, 57%)
oklchoklch(0.864 0.142 202.7)
Closest name: Aqua (#0ff0fe)Relative luminance 0.6798

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb3628

#28fb9f · #2883fb

#fb28ed · #edfb28

Split-complementary

Open in tool →

#fb2883 · #fb9f28

#9f28fb · #fb3628 · #83fb28

Contrast

#28edfb as textRatioAAAA largeAAAFix
Aaon white
1.44:1failfailfail
  • AA: use #03838c as the text (4.54:1)
  • AAA: use #026269 as the text (7.11:1)
  • AA: or shift the background to #5e5e5e (4.51:1)
  • AAA: or shift the background to #404040 (7.21:1)
Aaon black
14.6:1passpasspassPasses 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 #28edfb 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

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

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

tool url/palettes/new/28edfb-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