Color

#adc021

#adc021
hex#adc021
rgbrgb(173, 192, 33)
hslhsl(67, 71%, 44%)
oklchoklch(0.767 0.169 116.9)
Closest name: Celery (#b4c04c)Relative luminance 0.4669

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3321c0

#c08321 · #5ec021

#21adc0 · #c021ad

Split-complementary

Open in tool →

#215ec0 · #8321c0

#21c083 · #3321c0 · #c0215e

Contrast

#adc021 as textRatioAAAA largeAAAFix
Aaon white
2.03:1failfailfail
  • AA: use #6e7a15 as the text (4.71:1)
  • AAA: use #535c10 as the text (7.23:1)
  • AA: or shift the background to #474747 (4.57:1)
  • AAA: or shift the background to #292929 (7.16:1)
Aaon black
10.34:1passpasspassPasses 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 #adc021 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 #adc021
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 #adc021 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/adc021-b8bea2-4e83df-262d1f-f1eee9?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