Color

#3de683

#3de683
hex#3de683
rgbrgb(61, 230, 131)
hslhsl(145, 77%, 57%)
oklchoklch(0.818 0.194 152.5)
Closest name: Grotesque Green (#64e986)Relative luminance 0.5922

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e63d9f

#4be63d · #3de6d8

#833de6 · #e6833d

Split-complementary

Open in tool →

#d83de6 · #e63d4b

#3d4be6 · #e63d9f · #e6d83d

Contrast

#3de683 as textRatioAAAA largeAAAFix
Aaon white
1.63:1failfailfail
  • AA: use #128743 as the text (4.59:1)
  • AAA: use #0d6331 as the text (7.38:1)
  • AA: or shift the background to #545454 (4.63:1)
  • AAA: or shift the background to #383838 (7.17:1)
Aaon black
12.84:1passpasspassPasses 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 #3de683 as the background.

Brands using this color

mcpConnect your agent — build around #3de683
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 #3de683 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3de683-a2beb1-cc59d4-1f2d2b-eaf1e9?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