Color

#33756c

#33756c
hex#33756c
rgbrgb(51, 117, 108)
hslhsl(172, 39%, 33%)
oklchoklch(0.517 0.069 183.4)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1451

Colors that go with #33756c

Charcoal, Medium Violet Red and Champagne lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #33756c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#75333c

#33754b · #335d75

#6c3375 · #756c33

Split-complementary

Open in tool →

#75335d · #754b33

#4b3375 · #75333c · #5d7533

Contrast

#33756c as textRatioAAAA largeAAAFix
Aaon white
5.38:1passpassfail
  • AAA: use #2a6059 as the text (7.2:1)
Aaon black
3.9:1failpassfail
  • AA: use #388076 as the text (4.52:1)
  • AAA: use #49a79a as the text (7.28:1)
  • AA: or shift the background to #ebebeb (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #33756c as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #33756c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #33756c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/33756c-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