brandsweets

Color

#81bb35

#81bb35
hex#81bb35
rgbrgb(129, 187, 53)
hslhsl(86, 56%, 47%)
oklchoklch(0.726 0.172 130.3)
Closest name: Citrus (#9fb70a)Relative luminance 0.4046
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
81bb356f35bb

#6f35bb

Analogous

Open in tool →
81bb35bbb2353ebb35

#bbb235 · #3ebb35

Triadic

Open in tool →
81bb353581bbbb3581

#3581bb · #bb3581

Split-complementary

Open in tool →
81bb35353ebbb235bb

#353ebb · #b235bb

Tetradic

Open in tool →
81bb3535bbb26f35bbbb353e

#35bbb2 · #6f35bb · #bb353e

Contrast

#81bb35 as textRatioAAAA largeAAAFix
Aaon white
2.31:1failfailfail
  • AA: use #587f24 as the text (4.69:1)
  • AAA: use #425f1b as the text (7.28:1)
  • AA: or shift the background to #3d3d3d (4.7:1)
  • AAA: or shift the background to #1f1f1f (7.14:1)
Aaon black
9.09:1passpasspassPasses 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 #81bb35 as the background.

Brands using this color

mcpConnect your agent — build around #81bb35
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 #81bb35 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81bb35-afbea2-4e56df-212d1f-f1f1e9?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