Color

#31eefc

#31eefc
hex#31eefc
rgbrgb(49, 238, 252)
hslhsl(184, 97%, 59%)
oklchoklch(0.868 0.14 202.9)
Closest name: Aqua (#0ff0fe)Relative luminance 0.6883

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fc3f31

#31fca4 · #3189fc

#fc31ee · #eefc31

Split-complementary

Open in tool →

#fc3189 · #fca431

#a431fc · #fc3f31 · #89fc31

Contrast

#31eefc as textRatioAAAA largeAAAFix
Aaon white
1.42:1failfailfail
  • AA: use #02838d as the text (4.53:1)
  • AAA: use #026369 as the text (7.02:1)
  • AA: or shift the background to #5e5e5e (4.56:1)
  • AAA: or shift the background to #424242 (7.07:1)
Aaon black
14.77:1passpasspassPasses 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 #31eefc as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#31eefc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/31eefc-a2b9be-df4e8a-1f262d-e9f1ee?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