#537f2f as text	Ratio	AA	AA large	AAA	Fix
Aaon white	4.72:1	pass	pass	fail	AAA: use #3f6124 as the text (7.13:1)
Aaon black	4.44:1	fail	pass	fail	AA: use #558230 as the text (4.62:1) AAA: use #6ba43d as the text (7:1) AA: or shift the background to #fafafa (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #537f2f as the background.

Brands using this color

Palettes built around it

d9480f 5c7c2f f2b134 fffbf0 2b1d0e

Farmers Market

Open in tool →

Tomato, leaf and honey — the three colors of a produce stand, warm enough to make anything look fresh.

Warm Friendly VividFood

mcpConnect your agent — build around #537f2f

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 #537f2f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/537f2f-abbea2-584edf-202d1f-f0f1e9?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