brandsweets

Color

#42fac9

#42fac9
hex#42fac9
rgbrgb(66, 250, 201)
hslhsl(164, 95%, 62%)
oklchoklch(0.883 0.16 170.3)
Closest name: Jittery Jade (#77eebb)Relative luminance 0.7375
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
42fac9fa4273

#fa4273

Analogous

Open in tool →
42fac942fa6d42cffa

#42fa6d · #42cffa

Triadic

Open in tool →
42fac9c942fafac942

#c942fa · #fac942

Split-complementary

Open in tool →
42fac9fa42cffa6d42

#fa42cf · #fa6d42

Tetradic

Open in tool →
42fac96d42fafa4273cffa42

#6d42fa · #fa4273 · #cffa42

Contrast

#42fac9 as textRatioAAAA largeAAAFix
Aaon white
1.33:1failfailfail
  • AA: use #038663 as the text (4.57:1)
  • AAA: use #03634a as the text (7.27:1)
  • AA: or shift the background to #636363 (4.51:1)
  • AAA: or shift the background to #454545 (7.19:1)
Aaon black
15.75:1passpasspassPasses 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 #42fac9 as the background.

Brands using this color

mcpConnect your agent — build around #42fac9
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 #42fac9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42fac9-a2beba-d459b5-1f2b2d-e9f1eb?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