Color

#45ba72

#45ba72
hex#45ba72
rgbrgb(69, 186, 114)
hslhsl(143, 46%, 50%)
oklchoklch(0.705 0.149 153.1)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.376

Colors that go with #45ba72

Charcoal, Blue and Cornflower 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 →

#ba458d

#53ba45 · #45baac

#7245ba · #ba7245

Split-complementary

Open in tool →

#ac45ba · #ba4553

#4553ba · #ba458d · #baac45

Contrast

#45ba72 as textRatioAAAA largeAAAFix
Aaon white
2.46:1failfailfail
  • AA: use #308250 as the text (4.74:1)
  • AAA: use #24613b as the text (7.37:1)
  • AA: or shift the background to #3b3b3b (4.54:1)
  • AAA: or shift the background to #1a1a1a (7.06:1)
Aaon black
8.52:1passpasspassPasses 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 #45ba72 as the background.

Brands using this color

mcpConnect your agent — build around #45ba72
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 #45ba72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45ba72-a2beb0-c859d4-1f2d2b-eaf1e9?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