Color

#83c021

#83c021
hex#83c021
rgbrgb(131, 192, 33)
hslhsl(83, 71%, 44%)
oklchoklch(0.739 0.188 129.6)
Closest name: Bergamot (#95c703)Relative luminance 0.4263

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e21c0

#c0ad21 · #33c021

#2183c0 · #c02183

Split-complementary

Open in tool →

#2133c0 · #ad21c0

#21c0ad · #5e21c0 · #c02133

Contrast

#83c021 as textRatioAAAA largeAAAFix
Aaon white
2.2:1failfailfail
  • AA: use #567e15 as the text (4.78:1)
  • AAA: use #416010 as the text (7.23:1)
  • AA: or shift the background to #424242 (4.56:1)
  • AAA: or shift the background to #242424 (7.04:1)
Aaon black
9.53:1passpasspassPasses 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 #83c021 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #83c021
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 #83c021 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/83c021-b0bea2-4e5ddf-222d1f-f1f0e9?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