Color

#1fffff

#1fffff
hex#1fffff
rgbrgb(31, 255, 255)
hslhsl(180, 100%, 56%)
oklchoklch(0.907 0.152 194.8)
Closest name: aqua (#00ffff)Relative luminance 0.7903

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff1f1f

#1fff8f · #1f8fff

#ff1fff · #ffff1f

Split-complementary

Open in tool →

#ff1f8f · #ff8f1f

#8f1fff · #ff1f1f · #8fff1f

Contrast

#1fffff as textRatioAAAA largeAAAFix
Aaon white
1.25:1failfailfail
  • AA: use #008080 as the text (4.77:1)
  • AAA: use #006161 as the text (7.29:1)
  • AA: or shift the background to #666666 (4.6:1)
  • AAA: or shift the background to #4a4a4a (7.09:1)
Aaon black
16.81:1passpasspassPasses 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 #1fffff 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

#1fffff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1fffff
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 #1fffff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1fffff-a2bbbe-d45994-1f272d-e9f1ed?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