Color

#31aa98

#31aa98
hex#31aa98
rgbrgb(49, 170, 152)
hslhsl(171, 55%, 43%)
oklchoklch(0.668 0.108 180.7)
Closest name: Billiard (#00af9f)Relative luminance 0.3167

Colors that go with #31aa98

Charcoal, Cornflower Blue and Midnight Blue 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 #31aa98

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa3143

#31aa5c · #3180aa

#9831aa · #aa9831

Split-complementary

Open in tool →

#aa3180 · #aa5c31

#5c31aa · #aa3143 · #80aa31

Contrast

#31aa98 as textRatioAAAA largeAAAFix
Aaon white
2.86:1failfailfail
  • AA: use #268275 as the text (4.63:1)
  • AAA: use #1d6358 as the text (7.05:1)
  • AA: or shift the background to #303030 (4.61:1)
  • AAA: or shift the background to #050505 (7.12:1)
Aaon black
7.33:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31aa98 as the background.

Brands using this color

mcpConnect your agent — build around #31aa98
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 #31aa98 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31aa98-a2bebd-d459a7-1f292d-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