Color

#45ba74

#45ba74
hex#45ba74
rgbrgb(69, 186, 116)
hslhsl(144, 46%, 50%)
oklchoklch(0.705 0.147 153.7)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3764

Colors that go with #45ba74

Charcoal, Mustard Yellow and Royal 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 →

#ba458b

#51ba45 · #45baae

#7445ba · #ba7445

Split-complementary

Open in tool →

#ae45ba · #ba4551

#4551ba · #ba458b · #baae45

Contrast

#45ba74 as textRatioAAAA largeAAAFix
Aaon white
2.46:1failfailfail
  • AA: use #308251 as the text (4.73:1)
  • AAA: use #24613c as the text (7.37:1)
  • AA: or shift the background to #3b3b3b (4.55:1)
  • AAA: or shift the background to #1a1a1a (7.07:1)
Aaon black
8.53:1passpasspassPasses 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 #45ba74 as the background.

Brands using this color

mcpConnect your agent — build around #45ba74
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 #45ba74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45ba74-a2beb0-ca59d4-1f2d2b-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