Color

#45bf74

#45bf74
hex#45bf74
rgbrgb(69, 191, 116)
hslhsl(143, 49%, 51%)
oklchoklch(0.718 0.154 152.9)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3979

Colors that go with #45bf74

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 →

#bf4590

#53bf45 · #45bfb1

#7445bf · #bf7445

Split-complementary

Open in tool →

#b145bf · #bf4553

#4553bf · #bf4590 · #bfb145

Contrast

#45bf74 as textRatioAAAA largeAAAFix
Aaon white
2.34:1failfailfail
  • AA: use #2e854f as the text (4.58:1)
  • AAA: use #22633b as the text (7.2:1)
  • AA: or shift the background to #3d3d3d (4.63:1)
  • AAA: or shift the background to #1f1f1f (7.03:1)
Aaon black
8.96:1passpasspassPasses 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 #45bf74 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 #45bf74
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 #45bf74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45bf74-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