Color

#45a577

#45a577
hex#45a577
rgbrgb(69, 165, 119)
hslhsl(151, 41%, 46%)
oklchoklch(0.652 0.115 159.8)
Closest name: Cosmic Green (#30a877)Relative luminance 0.2951

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a54574

#45a547 · #45a4a5

#7745a5 · #a57745

Split-complementary

Open in tool →

#a545a4 · #a54745

#4745a5 · #a54574 · #a4a545

Contrast

#45a577 as textRatioAAAA largeAAAFix
Aaon white
3.04:1failpassfail
  • AA: use #36815d as the text (4.71:1)
  • AAA: use #296146 as the text (7.26:1)
  • AA: or shift the background to #2b2b2b (4.65:1)
Aaon black
6.9:1passpassfail
  • AAA: use #47a979 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #45a577 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 #45a577
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 #45a577 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45a577-a2beb4-d459d0-1f2d2c-e9f1ea?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