Color

#45b09b

#45b09b
hex#45b09b
rgbrgb(69, 176, 155)
hslhsl(168, 44%, 48%)
oklchoklch(0.69 0.103 177.9)
Closest name: Ambrosial Oceanside (#47ae9c)Relative luminance 0.3468

Colors that go with #45b09b

Charcoal, Cornflower Blue and Dark Olive Green 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 →

#b0455a

#45b065 · #4590b0

#9b45b0 · #b09b45

Split-complementary

Open in tool →

#b04590 · #b06545

#6545b0 · #b0455a · #90b045

Contrast

#45b09b as textRatioAAAA largeAAAFix
Aaon white
2.65:1failfailfail
  • AA: use #328171 as the text (4.65:1)
  • AAA: use #255f54 as the text (7.39:1)
  • AA: or shift the background to #363636 (4.57:1)
  • AAA: or shift the background to #121212 (7.08:1)
Aaon black
7.94:1passpasspassPasses 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 #45b09b as the background.

Brands using this color

mcpConnect your agent — build around #45b09b
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 #45b09b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45b09b-a2bebc-d459ad-1f2a2d-e9f1ec?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