Color

#31f2cb

#31f2cb
hex#31f2cb
rgbrgb(49, 242, 203)
hslhsl(168, 88%, 57%)
oklchoklch(0.862 0.155 174.6)
Closest name: Aphrodite Aqua (#45e9c1)Relative luminance 0.6847

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f23157

#31f26b · #31b8f2

#cb31f2 · #f2cb31

Split-complementary

Open in tool →

#f231b8 · #f26b31

#6b31f2 · #f23157 · #b8f231

Contrast

#31f2cb as textRatioAAAA largeAAAFix
Aaon white
1.43:1failfailfail
  • AA: use #09866d as the text (4.52:1)
  • AAA: use #066552 as the text (7.02:1)
  • AA: or shift the background to #5e5e5e (4.54:1)
  • AAA: or shift the background to #424242 (7.03:1)
Aaon black
14.69:1passpasspassPasses 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 #31f2cb as the background.

Brands using this color

mcpConnect your agent — build around #31f2cb
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 #31f2cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31f2cb-a2bebc-d459ad-1f2a2d-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