brandsweets

Color

#12f3cd

#12f3cd
hex#12f3cd
rgbrgb(18, 243, 205)
hslhsl(170, 90%, 51%)
oklchoklch(0.862 0.16 175.7)
Closest name: Fake Jade (#13eac9)Relative luminance 0.6864
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
12f3cdf31237

#f31237

Analogous

Open in tool →
12f3cd12f35d12a8f3

#12f35d · #12a8f3

Triadic

Open in tool →
12f3cdcd12f3f3cd12

#cd12f3 · #f3cd12

Split-complementary

Open in tool →
12f3cdf312a8f35d12

#f312a8 · #f35d12

Tetradic

Open in tool →
12f3cd5d12f3f31237a8f312

#5d12f3 · #f31237 · #a8f312

Contrast

#12f3cd as textRatioAAAA largeAAAFix
Aaon white
1.43:1failfailfail
  • AA: use #07836e as the text (4.69:1)
  • AAA: use #056152 as the text (7.4:1)
  • AA: or shift the background to #5e5e5e (4.55:1)
  • AAA: or shift the background to #424242 (7.05:1)
Aaon black
14.73:1passpasspassPasses 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 #12f3cd as the background.

Brands using this color

mcpConnect your agent — build around #12f3cd
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 #12f3cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12f3cd-a2bebd-d459a9-1f292d-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