#1b9d4a as text	Ratio	AA	AA large	AAA	Fix
Aaon white	3.52:1	fail	pass	fail	AA: use #178740 as the text (4.59:1) AAA: use #116430 as the text (7.27:1) AA: or shift the background to #212121 (4.58:1)
Aaon black	5.97:1	pass	pass	fail	AAA: use #1eae53 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b9d4a as the background.

Brands using this color

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

Palettes built around it

2563eb 52525b 16a34a fafafa 18181b

Console Light

Open in tool →

A sober docs palette: one blue for interactive, one green for success, zinc greys for everything else.

Technical Clean Light

2563eb 93c5fd 16a34a ffffff 14213d

Telehealth

Open in tool →

Friendly blue with a soft tint and a green all-clear — approachable care with a tech backbone.

Modern Cool FriendlyHealth

mcpConnect your agent — build around #1b9d4a

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 #1b9d4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b9d4a-a2beaf-c659d4-1f2d2a-eaf1e9?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