Color

#1bc523

#1bc523
hex#1bc523
rgbrgb(27, 197, 35)
hslhsl(123, 76%, 44%)
oklchoklch(0.716 0.232 143)
Closest name: Crude Banana (#21c40e)Relative luminance 0.4029

Colors that go with #1bc523

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 →

#c51bbd

#68c51b · #1bc579

#231bc5 · #c5231b

Split-complementary

Open in tool →

#791bc5 · #c51b68

#1b68c5 · #c51bbd · #c5791b

Contrast

#1bc523 as textRatioAAAA largeAAAFix
Aaon white
2.32:1failfailfail
  • AA: use #128718 as the text (4.66:1)
  • AAA: use #0e6713 as the text (7.08:1)
  • AA: or shift the background to #3d3d3d (4.68:1)
  • AAA: or shift the background to #1f1f1f (7.11:1)
Aaon black
9.06:1passpasspassPasses 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 #1bc523 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 #1bc523
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 #1bc523 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bc523-a2bea6-a04edf-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