brandsweets

Color

#51cd85

#51cd85
hex#51cd85
rgbrgb(81, 205, 133)
hslhsl(145, 55%, 56%)
oklchoklch(0.761 0.152 154.7)
Closest name: Envy’s Love (#2dd78d)Relative luminance 0.4711
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
51cd85cd5199

#cd5199

Analogous

Open in tool →
51cd855bcd5151cdc2

#5bcd51 · #51cdc2

Triadic

Open in tool →
51cd858551cdcd8551

#8551cd · #cd8551

Split-complementary

Open in tool →
51cd85c251cdcd515b

#c251cd · #cd515b

Tetradic

Open in tool →
51cd85515bcdcd5199cdc251

#515bcd · #cd5199 · #cdc251

Contrast

#51cd85 as textRatioAAAA largeAAAFix
Aaon white
2.02:1failfailfail
  • AA: use #27864f as the text (4.56:1)
  • AAA: use #1d633a as the text (7.25:1)
  • AA: or shift the background to #474747 (4.61:1)
  • AAA: or shift the background to #2b2b2b (7.03:1)
Aaon black
10.42:1passpasspassPasses 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 #51cd85 as the background.

Brands using this color

mcpConnect your agent — build around #51cd85
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 #51cd85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51cd85-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