Color

#40a596

#40a596
hex#40a596
rgbrgb(64, 165, 150)
hslhsl(171, 44%, 45%)
oklchoklch(0.659 0.096 181.8)
Closest name: Ambrosial Oceanside (#47ae9c)Relative luminance 0.302

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a5404f

#40a564 · #4082a5

#9640a5 · #a59640

Split-complementary

Open in tool →

#a54082 · #a56440

#6440a5 · #a5404f · #82a540

Contrast

#40a596 as textRatioAAAA largeAAAFix
Aaon white
2.98:1failfailfail
  • AA: use #328175 as the text (4.63:1)
  • AAA: use #255f57 as the text (7.36:1)
  • AA: or shift the background to #2e2e2e (4.55:1)
  • AAA: or shift the background to #000000 (7.04:1)
Aaon black
7.04:1passpasspassPasses 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 #40a596 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 #40a596
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 #40a596 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40a596-a2bebd-d459a7-1f292d-e9f1ec?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