Color

#377b59

#377b59
hex#377b59
rgbrgb(55, 123, 89)
hslhsl(150, 38%, 35%)
oklchoklch(0.529 0.088 159.4)
Closest name: Amazon (#387b54)Relative luminance 0.157

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7b3759

#377b37 · #377b7b

#59377b · #7b5937

Split-complementary

Open in tool →

#7b377b · #7b3737

#37377b · #7b3759 · #7b7b37

Contrast

#377b59 as textRatioAAAA largeAAAFix
Aaon white
5.07:1passpassfail
  • AAA: use #2c6347 as the text (7.04:1)
Aaon black
4.14:1failpassfail
  • AA: use #3a825e as the text (4.53:1)
  • AAA: use #4ca97a as the text (7.26:1)
  • AA: or shift the background to #f2f2f2 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #377b59 as the background.

Brands using this color

mcpConnect your agent — build around #377b59
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 #377b59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/377b59-a2beb3-d459d2-1f2d2c-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