brandsweets

Color

#3bc990

#3bc990
hex#3bc990
rgbrgb(59, 201, 144)
hslhsl(156, 57%, 51%)
oklchoklch(0.747 0.146 161.9)
Closest name: Bleached Olive (#55bb88)Relative luminance 0.4472
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
3bc990c93b74

#c93b74

Analogous

Open in tool →
3bc9903bc9493bbbc9

#3bc949 · #3bbbc9

Triadic

Open in tool →
3bc990903bc9c9903b

#903bc9 · #c9903b

Split-complementary

Open in tool →
3bc990c93bbbc9493b

#c93bbb · #c9493b

Tetradic

Open in tool →
3bc990493bc9c93b74bbc93b

#493bc9 · #c93b74 · #bbc93b

Contrast

#3bc990 as textRatioAAAA largeAAAFix
Aaon white
2.11:1failfailfail
  • AA: use #24845e as the text (4.63:1)
  • AAA: use #1b6447 as the text (7.09:1)
  • AA: or shift the background to #454545 (4.54:1)
  • AAA: or shift the background to #262626 (7.17:1)
Aaon black
9.94:1passpasspassPasses 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 #3bc990 as the background.

Brands using this color

mcpConnect your agent — build around #3bc990
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 #3bc990 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bc990-a2beb6-d459c6-1f2d2d-e9f1ea?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