Color

#45bf78

#45bf78
hex#45bf78
rgbrgb(69, 191, 120)
hslhsl(145, 49%, 51%)
oklchoklch(0.719 0.15 154.2)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3988

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#bf458c

#4fbf45 · #45bfb5

#7845bf · #bf7845

Split-complementary

Open in tool →

#b545bf · #bf454f

#454fbf · #bf458c · #bfb545

Contrast

#45bf78 as textRatioAAAA largeAAAFix
Aaon white
2.34:1failfailfail
  • AA: use #2e8552 as the text (4.57:1)
  • AAA: use #22633d as the text (7.19:1)
  • AA: or shift the background to #3d3d3d (4.64:1)
  • AAA: or shift the background to #1f1f1f (7.05:1)
Aaon black
8.98:1passpasspassPasses 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 #45bf78 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 #45bf78
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #45bf78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45bf78-a2beb1-cc59d4-1f2d2b-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