brandsweets

Color

#39aca4

#39aca4
hex#39aca4
rgbrgb(57, 172, 164)
hslhsl(176, 50%, 45%)
oklchoklch(0.679 0.102 188.4)
Closest name: Ambrosial Oceanside (#47ae9c)Relative luminance 0.3306
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
39aca4ac3941

#ac3941

Analogous

Open in tool →
39aca439ac6b397aac

#39ac6b · #397aac

Triadic

Open in tool →
39aca4a439acaca439

#a439ac · #aca439

Split-complementary

Open in tool →
39aca4ac397aac6b39

#ac397a · #ac6b39

Tetradic

Open in tool →
39aca46b39acac39417aac39

#6b39ac · #ac3941 · #7aac39

Contrast

#39aca4 as textRatioAAAA largeAAAFix
Aaon white
2.76:1failfailfail
  • AA: use #2b827c as the text (4.58:1)
  • AAA: use #20605b as the text (7.28:1)
  • AA: or shift the background to #333333 (4.58:1)
  • AAA: or shift the background to #0d0d0d (7.04:1)
Aaon black
7.61:1passpasspassPasses 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 #39aca4 as the background.

Brands using this color

mcpConnect your agent — build around #39aca4
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 #39aca4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39aca4-a2bdbe-d4599d-1f282d-e9f1ed?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