Color

#3d8a80

#3d8a80
hex#3d8a80
rgbrgb(61, 138, 128)
hslhsl(172, 39%, 39%)
oklchoklch(0.582 0.078 184)
Closest name: Highlands (#449084)Relative luminance 0.2073

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a3d47

#3d8a59 · #3d6e8a

#803d8a · #8a803d

Split-complementary

Open in tool →

#8a3d6e · #8a593d

#593d8a · #8a3d47 · #6e8a3d

Contrast

#3d8a80 as textRatioAAAA largeAAAFix
Aaon white
4.08:1failpassfail
  • AA: use #388076 as the text (4.65:1)
  • AAA: use #2a6059 as the text (7.2:1)
  • AA: or shift the background to #141414 (4.51:1)
Aaon black
5.15:1passpassfail
  • AAA: use #49a79a as the text (7.28:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d8a80 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 #3d8a80
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 #3d8a80 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d8a80-a2bebe-d459a5-1f292d-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