Color

#439d66

#439d66
hex#439d66
rgbrgb(67, 157, 102)
hslhsl(143, 40%, 44%)
oklchoklch(0.627 0.12 154.1)
Closest name: Bulma Hair (#359e6b)Relative luminance 0.2627

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9d437b

#4e9d43 · #439d93

#66439d · #9d6643

Split-complementary

Open in tool →

#93439d · #9d434e

#434e9d · #9d437b · #9d9343

Contrast

#439d66 as textRatioAAAA largeAAAFix
Aaon white
3.36:1failpassfail
  • AA: use #398456 as the text (4.56:1)
  • AAA: use #29603e as the text (7.4:1)
  • AA: or shift the background to #262626 (4.51:1)
Aaon black
6.25:1passpassfail
  • AAA: use #48a86d as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #439d66 as the background.

Brands using this color

mcpConnect your agent — build around #439d66
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 #439d66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/439d66-a2beb0-c859d4-1f2d2b-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