Color

#21c026

#21c026
hex#21c026
rgbrgb(33, 192, 38)
hslhsl(122, 71%, 44%)
oklchoklch(0.704 0.225 143)
Closest name: Crude Banana (#21c40e)Relative luminance 0.3816

Colors that go with #21c026

Charcoal, Royal Blue and Taupe lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c021bb

#6bc021 · #21c076

#2621c0 · #c02621

Split-complementary

Open in tool →

#7621c0 · #c0216b

#216bc0 · #c021bb · #c07621

Contrast

#21c026 as textRatioAAAA largeAAAFix
Aaon white
2.43:1failfailfail
  • AA: use #17871b as the text (4.65:1)
  • AAA: use #116414 as the text (7.35:1)
  • AA: or shift the background to #3b3b3b (4.6:1)
  • AAA: or shift the background to #1c1c1c (7.01:1)
Aaon black
8.63:1passpasspassPasses 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 #21c026 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 #21c026
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #21c026 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/21c026-a2bea6-9e4edf-1f2d26-edf1e9?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