brandsweets

Color

#30bbb4

#30bbb4
hex#30bbb4
rgbrgb(48, 187, 180)
hslhsl(177, 59%, 46%)
oklchoklch(0.72 0.114 189.8)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.3946
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
30bbb4bb3037

#bb3037

Analogous

Open in tool →
30bbb430bb6e307cbb

#30bb6e · #307cbb

Triadic

Open in tool →
30bbb4b430bbbbb430

#b430bb · #bbb430

Split-complementary

Open in tool →
30bbb4bb307cbb6e30

#bb307c · #bb6e30

Tetradic

Open in tool →
30bbb46e30bbbb30377cbb30

#6e30bb · #bb3037 · #7cbb30

Contrast

#30bbb4 as textRatioAAAA largeAAAFix
Aaon white
2.36:1failfailfail
  • AA: use #21827d as the text (4.61:1)
  • AAA: use #19615e as the text (7.21:1)
  • AA: or shift the background to #3d3d3d (4.6:1)
  • AAA: or shift the background to #1c1c1c (7.22:1)
Aaon black
8.89:1passpasspassPasses 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 #30bbb4 as the background.

Brands using this color

mcpConnect your agent — build around #30bbb4
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 #30bbb4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30bbb4-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