Color

#3d8573

#3d8573
hex#3d8573
rgbrgb(61, 133, 115)
hslhsl(165, 37%, 38%)
oklchoklch(0.565 0.078 174.7)
Closest name: Emerald Whispers (#2b8478)Relative luminance 0.19

Colors that go with #3d8573

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#853d4f

#3d854f · #3d7385

#733d85 · #85733d

Split-complementary

Open in tool →

#853d73 · #854f3d

#4f3d85 · #853d4f · #73853d

Contrast

#3d8573 as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #3b8170 as the text (4.61:1)
  • AAA: use #2d6255 as the text (7.02:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.8:1passpassfail
  • AAA: use #4ca48e as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d8573 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 #3d8573
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 #3d8573 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d8573-a2beba-d459b3-1f2b2d-e9f1eb?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