brandsweets

Color

#42facf

#42facf
hex#42facf
rgbrgb(66, 250, 207)
hslhsl(166, 95%, 62%)
oklchoklch(0.885 0.156 172.9)
Closest name: Jittery Jade (#77eebb)Relative luminance 0.7403
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
42facffa426d

#fa426d

Analogous

Open in tool →
42facf42fa7342c9fa

#42fa73 · #42c9fa

Triadic

Open in tool →
42facfcf42fafacf42

#cf42fa · #facf42

Split-complementary

Open in tool →
42facffa42c9fa7342

#fa42c9 · #fa7342

Tetradic

Open in tool →
42facf7342fafa426dc9fa42

#7342fa · #fa426d · #c9fa42

Contrast

#42facf as textRatioAAAA largeAAAFix
Aaon white
1.33:1failfailfail
  • AA: use #038668 as the text (4.55:1)
  • AAA: use #03634d as the text (7.25:1)
  • AA: or shift the background to #636363 (4.52:1)
  • AAA: or shift the background to #454545 (7.22:1)
Aaon black
15.81:1passpasspassPasses 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 #42facf as the background.

Brands using this color

mcpConnect your agent — build around #42facf
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 #42facf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42facf-a2bebb-d459b1-1f2a2d-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