Color

#45bf9d

#45bf9d
hex#45bf9d
rgbrgb(69, 191, 157)
hslhsl(163, 49%, 51%)
oklchoklch(0.728 0.119 171.1)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4096

Colors that go with #45bf9d

Charcoal, Hot Pink and Midnight Blue 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 →

#bf4568

#45bf5f · #45a5bf

#9d45bf · #bf9d45

Split-complementary

Open in tool →

#bf45a5 · #bf5f45

#5f45bf · #bf4568 · #a5bf45

Contrast

#45bf9d as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #2c8169 as the text (4.72:1)
  • AAA: use #226350 as the text (7.07:1)
  • AA: or shift the background to #404040 (4.54:1)
  • AAA: or shift the background to #212121 (7.05:1)
Aaon black
9.19:1passpasspassPasses 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 #45bf9d 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 #45bf9d
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 #45bf9d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45bf9d-a2beb9-d459b7-1f2b2d-e9f1eb?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