Color

#30fdf3

#30fdf3
hex#30fdf3
rgbrgb(48, 253, 243)
hslhsl(177, 98%, 59%)
oklchoklch(0.9 0.149 189.6)
Closest name: Arctic Water (#00fcfc)Relative luminance 0.7735

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd303a

#30fd8c · #30a1fd

#f330fd · #fdf330

Split-complementary

Open in tool →

#fd30a1 · #fd8c30

#8c30fd · #fd303a · #a1fd30

Contrast

#30fdf3 as textRatioAAAA largeAAAFix
Aaon white
1.28:1failfailfail
  • AA: use #01837d as the text (4.62:1)
  • AAA: use #01605b as the text (7.43:1)
  • AA: or shift the background to #666666 (4.5:1)
  • AAA: or shift the background to #474747 (7.29:1)
Aaon black
16.47:1passpasspassPasses 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 #30fdf3 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 #30fdf3
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 #30fdf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30fdf3-a2bcbe-d4599b-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