Color

#4bf8fb

#4bf8fb
hex#4bf8fb
rgbrgb(75, 248, 251)
hslhsl(181, 96%, 64%)
oklchoklch(0.895 0.137 196.7)
Closest name: Aggressive Aqua (#00fbff)Relative luminance 0.756

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb4e4b

#4bfba6 · #4ba0fb

#fb4bf8 · #f8fb4b

Split-complementary

Open in tool →

#fb4ba0 · #fba64b

#a64bfb · #fb4e4b · #a0fb4b

Contrast

#4bf8fb as textRatioAAAA largeAAAFix
Aaon white
1.3:1failfailfail
  • AA: use #038082 as the text (4.76:1)
  • AAA: use #026264 as the text (7.16:1)
  • AA: or shift the background to #636363 (4.61:1)
  • AAA: or shift the background to #474747 (7.13:1)
Aaon black
16.12:1passpasspassPasses 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 #4bf8fb 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

#4bf8fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4bf8fb
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 #4bf8fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bf8fb-a2babe-d45992-1f272d-e9f1ed?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