Color

#30acb5

#30acb5
hex#30acb5
rgbrgb(48, 172, 181)
hslhsl(184, 58%, 45%)
oklchoklch(0.683 0.105 202.3)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3347

Colors that go with #30acb5

Charcoal, Tomato and Denim lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b53930

#30b57c · #306ab5

#b530ac · #acb530

Split-complementary

Open in tool →

#b5306a · #b57c30

#7c30b5 · #b53930 · #6ab530

Contrast

#30acb5 as textRatioAAAA largeAAAFix
Aaon white
2.73:1failfailfail
  • AA: use #248289 as the text (4.54:1)
  • AAA: use #1b6065 as the text (7.22:1)
  • AA: or shift the background to #333333 (4.63:1)
  • AAA: or shift the background to #0f0f0f (7.02:1)
Aaon black
7.69:1passpasspassPasses 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 #30acb5 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

#30acb5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #30acb5
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #30acb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30acb5-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