Color

#04fbf3

#04fbf3
hex#04fbf3
rgbrgb(4, 251, 243)
hslhsl(178, 97%, 50%)
oklchoklch(0.892 0.153 190.6)
Closest name: Arctic Water (#00fcfc)Relative luminance 0.7549

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb040c

#04fb77 · #0488fb

#f304fb · #fbf304

Split-complementary

Open in tool →

#fb0488 · #fb7704

#7704fb · #fb040c · #88fb04

Contrast

#04fbf3 as textRatioAAAA largeAAAFix
Aaon white
1.3:1failfailfail
  • AA: use #02837e as the text (4.62:1)
  • AAA: use #026461 as the text (7:1)
  • AA: or shift the background to #636363 (4.61:1)
  • AAA: or shift the background to #474747 (7.12:1)
Aaon black
16.1:1passpasspassPasses 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 #04fbf3 as the background.

Brands using this color

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

mcpConnect your agent — build around #04fbf3
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 #04fbf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04fbf3-a2bcbe-d45999-1f282d-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